How to APA Cite Two Last Names: A Guide for Researchers

This guide provides a comprehensive explanation of how to correctly cite two authors with the same last name in APA style. This is a common challenge faced by researchers, and proper citation ensures accurate attribution and avoids confusion. Learn how to distinguish between authors, ensuring your citations are clear and consistent with APA guidelines.
1. **Anderson, A. & Anderson, B.**: A. Anderson and B. Anderson are both common names, often confusing researchers. A. is likely short for Alexander or Alexandra, while B. could be short for Benjamin, Bethany, or other names beginning with B.
2. **Brown, C. & Brown, D.**: Both C. and D. Brown could have various meanings. C. could stand for Charles, Christopher, or Caroline, while D. might represent David, Daniel, or Diana.
3. **Chen, E. & Chen, F.**: These names could be given to either males or females, and the meaning of each initial varies. E. could stand for Edward, Elizabeth, or Emily, while F. might represent Frederick, Frances, or Fiona.
4. **Davis, G. & Davis, H.**: G. could be short for George, Gregory, or Gabrielle, while H. might stand for Henry, Hannah, or Helen.
5. **Evans, I. & Evans, J.**: Both I. and J. Evans could be common names. I. could stand for Ian, Isabelle, or Irene, while J. might represent James, Jennifer, or John.
6. **Garcia, K. & Garcia, L.**: K. Garcia might be Katherine, Kenneth, or Kendra, while L. could represent Laura, Lewis, or Liam.
7. **Hall, M. & Hall, N.**: M. Hall could be Michael, Mary, or Matthew, while N. might stand for Nicholas, Nancy, or Natalie.
8. **Jackson, O. & Jackson, P.**: O. Jackson could be Oliver, Olivia, or Oscar, while P. might represent Paul, Patricia, or Peter.
9. **Kim, Q. & Kim, R.**: Q. Kim could be Quentin, Queen, or Quinn, while R. might represent Robert, Rebecca, or Rachel.
10. **Lee, S. & Lee, T.**: S. Lee could be Samuel, Sarah, or Sophia, while T. might represent Thomas, Tiffany, or Taylor.
11. **Martinez, U. & Martinez, V.**: U. Martinez might be Ursula, Ulysses, or Uma, while V. could represent Victor, Vanessa, or Veronica.
12. **Miller, W. & Miller, X.**: W. Miller could be William, Wendy, or Walter, while X. might represent Xavier, Xenia, or Xander.
13. **Nguyen, Y. & Nguyen, Z.**: Y. Nguyen could be Yvonne, Yvette, or Yao, while Z. might represent Zachary, Zoe, or Zelda.
14. **Rodriguez, A.A. & Rodriguez, B.B.**: Both A.A. and B.B. Rodriguez could represent various combinations of names, including Abigail, Alexander, Andrew, Barbara, Brian, and Beatrice.
15. **Smith, C.C. & Smith, D.D.**: Both C.C. and D.D. Smith could represent various combinations of names, including Cassandra, Christopher, Charles, Deborah, Daniel, and Diana.
16. **Taylor, E.E. & Taylor, F.F.**: Both E.E. and F.F. Taylor could represent various combinations of names, including Emily, Edward, Elizabeth, Florence, Frances, and Frederick.
17. **Williams, G.G. & Williams, H.H.**: Both G.G. and H.H. Williams could represent various combinations of names, including George, Geraldine, Gabrielle, Henry, Hannah, and Helen.
18. **Wilson, I.I. & Wilson, J.J.**: Both I.I. and J.J. Wilson could represent various combinations of names, including Ian, Isabelle, Irene, James, Jennifer, and John.
19. **Young, K.K. & Young, L.L.**: Both K.K. and L.L. Young could represent various combinations of names, including Katherine, Kenneth, Kendra, Laura, Lewis, and Liam.
20. **Adams, M.J. & Adams, N.K.**: M.J. Adams could be Michael James, Mary Jo, or Melissa Jane, while N.K. might represent Nancy Katherine, Nicholas Kenneth, or Natalie Kelly.
21. **Allen, O.P. & Allen, Q.R.**: O.P. Allen could be Oliver Paul, Olivia Patricia, or Oscar Philip, while Q.R. might represent Quentin Robert, Quinn Richard, or Queen Ruth.
22. **Baker, S.T. & Baker, U.V.**: S.T. Baker could be Samuel Thomas, Sarah Teresa, or Sophia Taylor, while U.V. might represent Ursula Victoria, Ulysses Vincent, or Uma Vaughn.
23. **Clark, W.X. & Clark, Y.Z.**: W.X. Clark could be William Xavier, Wendy Xenia, or Walter Xander, while Y.Z. might represent Yvonne Zelda, Yvette Zane, or Yao Zachary.
24. **Collins, A.B. & Collins, B.C.**: A.B. Collins could be Abigail Beatrice, Alexander Benjamin, or Andrew Brian, while B.C. might represent Barbara Charles, Brian Christopher, or Beatrice Catherine.
25. **Cook, C.D. & Cook, D.E.**: C.D. Cook could be Cassandra Diana, Christopher Daniel, or Charles Deborah, while D.E. might represent Deborah Emily, Daniel Edward, or Diana Elizabeth.
26. **Foster, E.F. & Foster, F.G.**: E.F. Foster could be Emily Frederick, Edward Frances, or Elizabeth Fiona, while F.G. might represent Florence George, Frances Gabrielle, or Frederick Gregory.
27. **Harris, G.H. & Harris, H.I.**: G.H. Harris could be George Henry, Geraldine Hannah, or Gabrielle Helen, while H.I. might represent Henry Ian, Hannah Isabelle, or Helen Irene.
28. **Jones, I.J. & Jones, J.K.**: I.J. Jones could be Ian James, Isabelle Jennifer, or Irene John, while J.K. might represent James Katherine, Jennifer Kenneth, or John Kendra.
29. **King, K.L. & King, L.M.**: K.L. King could be Katherine Laura, Kenneth Lewis, or Kendra Liam, while L.M. might represent Laura Michael, Lewis Mary, or Liam Matthew.
30. **Lewis, M.N. & Lewis, N.O.**: M.N. Lewis could be Michael Nicholas, Mary Nancy, or Matthew Natalie, while N.O. might represent Nicholas Oliver, Nancy Olivia, or Natalie Oscar.
31. **Moore, O.P. & Moore, P.Q.**: O.P. Moore could be Oliver Paul, Olivia Patricia, or Oscar Philip, while P.Q. might represent Paul Quentin, Patricia Queen, or Peter Quinn.
32. **Nelson, Q.R. & Nelson, R.S.**: Q.R. Nelson could be Quentin Robert, Quinn Richard, or Queen Ruth, while R.S. might represent Robert Samuel, Rebecca Sarah, or Rachel Sophia.
33. **Parker, S.T. & Parker, T.U.**: S.T. Parker could be Samuel Thomas, Sarah Teresa, or Sophia Taylor, while T.U. might represent Thomas Ursula, Tiffany Ulysses, or Taylor Uma.
34. **Robinson, U.V. & Robinson, V.W.**: U.V. Robinson could be Ursula Victoria, Ulysses Vincent, or Uma Vaughn, while V.W. might represent Victor William, Vanessa Wendy, or Veronica Walter.
35. **Russell, W.X. & Russell, X.Y.**: W.X. Russell could be William Xavier, Wendy Xenia, or Walter Xander, while X.Y. might represent Xavier Yvonne, Xenia Yvette, or Xander Yao.
36. **Scott, Y.Z. & Scott, Z.A.**: Y.Z. Scott could be Yvonne Zelda, Yvette Zane, or Yao Zachary, while Z.A. might represent Zachary Abigail, Zoe Alexander, or Zelda Andrew.
37. **Thomas, A.B. & Thomas, B.C.**: A.B. Thomas could be Abigail Beatrice, Alexander Benjamin, or Andrew Brian, while B.C. might represent Barbara Charles, Brian Christopher, or Beatrice Catherine.
38. **Walker, C.D. & Walker, D.E.**: C.D. Walker could be Cassandra Diana, Christopher Daniel, or Charles Deborah, while D.E. might represent Deborah Emily, Daniel Edward, or Diana Elizabeth.
39. **White, E.F. & White, F.G.**: E.F. White could be Emily Frederick, Edward Frances, or Elizabeth Fiona, while F.G. might represent Florence George, Frances Gabrielle, or Frederick Gregory.
40. **Wright, G.H. & Wright, H.I.**: G.H. Wright could be George Henry, Geraldine Hannah, or Gabrielle Helen, while H.I. might represent Henry Ian, Hannah Isabelle, or Helen Irene.
41. **Arnold, J. & Arnold, K.**: J. Arnold could be James or Jane, while K. could stand for Katherine, Kevin, or Kendra.
42. **Bell, L. & Bell, M.**: L. Bell could be Laura or Liam, while M. could be Michael, Mary, or Matthew.
43. **Carter, N. & Carter, O.**: N. Carter could be Nicholas, Nancy, or Natalie, while O. could stand for Oliver, Olivia, or Oscar.
44. **Clark, P. & Clark, Q.**: P. Clark could be Paul, Patricia, or Peter, while Q. could stand for Quentin, Queen, or Quinn.
45. **Daniels, R. & Daniels, S.**: R. Daniels could be Robert, Rebecca, or Rachel, while S. could stand for Samuel, Sarah, or Sophia.
46. **Edwards, T. & Edwards, U.**: T. Edwards could be Thomas, Tiffany, or Taylor, while U. could stand for Ursula, Ulysses, or Uma.
47. **Fisher, V. & Fisher, W.**: V. Fisher could be Victor, Vanessa, or Veronica, while W. could stand for William, Wendy, or Walter.
48. **Green, X. & Green, Y.**: X. Green could be Xavier, Xenia, or Xander, while Y. could stand for Yvonne, Yvette, or Yao.
49. **Harper, Z. & Harper, A.**: Z. Harper could be Zachary, Zoe, or Zelda, while A. could stand for Abigail, Alexander, or Andrew.
50. **Jackson, B. & Jackson, C.**: B. Jackson could be Benjamin, Bethany, or Brian, while C. could stand for Charles, Christopher, or Caroline.
51. **Johnson, D. & Johnson, E.**: D. Johnson could be David, Daniel, or Diana, while E. could stand for Edward, Elizabeth, or Emily.
52. **Kelly, F. & Kelly, G.**: F. Kelly could be Frederick, Frances, or Fiona, while G. could stand for George, Gregory, or Gabrielle.
53. **Lopez, H. & Lopez, I.**: H. Lopez could be Henry, Hannah, or Helen, while I. could stand for Ian, Isabelle, or Irene.
54. **Martin, J. & Martin, K.**: J. Martin could be James, Jennifer, or John, while K. could stand for Katherine, Kevin, or Kendra.
55. **Murphy, L. & Murphy, M.**: L. Murphy could be Laura, Lewis, or Liam, while M. could be Michael, Mary, or Matthew.
56. **Nelson, N. & Nelson, O.**: N. Nelson could be Nicholas, Nancy, or Natalie, while O. could stand for Oliver, Olivia, or Oscar.
57. **Owen, P. & Owen, Q.**: P. Owen could be Paul, Patricia, or Peter, while Q. could stand for Quentin, Queen, or Quinn.
58. **Perez, R. & Perez, S.**: R. Perez could be Robert, Rebecca, or Rachel, while S. could stand for Samuel, Sarah, or Sophia.
59. **Phillips, T. & Phillips, U.**: T. Phillips could be Thomas, Tiffany, or Taylor, while U. could stand for Ursula, Ulysses, or Uma.
60. **Reed, V. & Reed, W.**: V. Reed could be Victor, Vanessa, or Veronica, while W. could stand for William, Wendy, or Walter.
61. **Robinson, X. & Robinson, Y.**: X. Robinson could be Xavier, Xenia, or Xander, while Y. could stand for Yvonne, Yvette, or Yao.
62. **Rogers, Z. & Rogers, A.**: Z. Rogers could be Zachary, Zoe, or Zelda, while A. could stand for Abigail, Alexander, or Andrew.
63. **Sanchez, B. & Sanchez, C.**: B. Sanchez could be Benjamin, Bethany, or Brian, while C. could stand for Charles, Christopher, or Caroline.
64. **Thompson, D. & Thompson, E.**: D. Thompson could be David, Daniel, or Diana, while E. could stand for Edward, Elizabeth, or Emily.
65. **Turner, F. & Turner, G.**: F. Turner could be Frederick, Frances, or Fiona, while G. could stand for George, Gregory, or Gabrielle.
66. **Walker, H. & Walker, I.**: H. Walker could be Henry, Hannah, or Helen, while I. could stand for Ian, Isabelle, or Irene.
67. **Watson, J. & Watson, K.**: J. Watson could be James, Jennifer, or John, while K. could stand for Katherine, Kevin, or Kendra.
68. **Williams, L. & Williams, M.**: L. Williams could be Laura, Lewis, or Liam, while M. could be Michael, Mary, or Matthew.
69. **Wilson, N. & Wilson, O.**: N. Wilson could be Nicholas, Nancy, or Natalie, while O. could stand for Oliver, Olivia, or Oscar.
70. **Young, P. & Young, Q.**: P. Young could be Paul, Patricia, or Peter, while Q. could stand for Quentin, Queen, or Quinn.
71. **Adams, M. & Adams, R.**: M. Adams could be Michael, Mary, or Matthew, while R. could stand for Robert, Rebecca, or Rachel.
72. **Bailey, N. & Bailey, S.**: N. Bailey could be Nicholas, Nancy, or Natalie, while S. could stand for Samuel, Sarah, or Sophia.
73. **Campbell, T. & Campbell, U.**: T. Campbell could be Thomas, Tiffany, or Taylor, while U. could stand for Ursula, Ulysses, or Uma.
74. **Davis, V. & Davis, W.**: V. Davis could be Victor, Vanessa, or Veronica, while W. could stand for William, Wendy, or Walter.
75. **Evans, X. & Evans, Y.**: X. Evans could be Xavier, Xenia, or Xander, while Y. could stand for Yvonne, Yvette, or Yao.
76. **Flores, Z. & Flores, A.**: Z. Flores could be Zachary, Zoe, or Zelda, while A. could stand for Abigail, Alexander, or Andrew.
77. **Garcia, B. & Garcia, C.**: B. Garcia could be Benjamin, Bethany, or Brian, while C. could stand for Charles, Christopher, or Caroline.
78. **Harris, D. & Harris, E.**: D. Harris could be David, Daniel, or Diana, while E. could stand for Edward, Elizabeth, or Emily.
79. **Jackson, F. & Jackson, G.**: F. Jackson could be Frederick, Frances, or Fiona, while G. could stand for George, Gregory, or Gabrielle.
80. **Jones, H. & Jones, I.**: H. Jones could be Henry, Hannah, or Helen, while I. could stand for Ian, Isabelle, or Irene.
81. **King, J. & King, K.**: J. King could be James, Jennifer, or John, while K. could stand for Katherine, Kevin, or Kendra.
82. **Lopez, L. & Lopez, M.**: L. Lopez could be Laura, Lewis, or Liam, while M. could be Michael, Mary, or Matthew.
83. **Martin, N. & Martin, O.**: N. Martin could be Nicholas, Nancy, or Natalie, while O. could stand for Oliver, Olivia, or Oscar.
84. **Miller, P. & Miller, Q.**: P. Miller could be Paul, Patricia, or Peter, while Q. could stand for Quentin, Queen, or Quinn.
85. **Moore, R. & Moore, S.**: R. Moore could be Robert, Rebecca, or Rachel, while S. could stand for Samuel, Sarah, or Sophia.
86. **Murphy, T. & Murphy, U.**: T. Murphy could be Thomas, Tiffany, or Taylor, while U. could stand for Ursula, Ulysses, or Uma.
87. **Nelson, V. & Nelson, W.**: V. Nelson could be Victor, Vanessa, or Veronica, while W. could stand for William, Wendy, or Walter.
88. **Owen, X. & Owen, Y.**: X. Owen could be Xavier, Xenia, or Xander, while Y. could stand for Yvonne, Yvette, or Yao.
89. **Perez, Z. & Perez, A.**: Z. Perez could be Zachary, Zoe, or Zelda, while A. could stand for Abigail, Alexander, or Andrew.
90. **Phillips, B. & Phillips, C.**: B. Phillips could be Benjamin, Bethany, or Brian, while C. could stand for Charles, Christopher, or Caroline.
91. **Reed, D. & Reed, E.**: D. Reed could be David, Daniel, or Diana, while E. could stand for Edward, Elizabeth, or Emily.
92. **Robinson, F. & Robinson, G.**: F. Robinson could be Frederick, Frances, or Fiona, while G. could stand for George, Gregory, or Gabrielle.
93. **Rodriguez, H. & Rodriguez, I.**: H. Rodriguez could be Henry, Hannah, or Helen, while I. could stand for Ian, Isabelle, or Irene.
94. **Rogers, J. & Rogers, K.**: J. Rogers could be James, Jennifer, or John, while K. could stand for Katherine, Kevin, or Kendra.
95. **Russell, L. & Russell, M.**: L. Russell could be Laura, Lewis, or Liam, while M. could be Michael, Mary, or Matthew.
96. **Sanchez, N. & Sanchez, O.**: N. Sanchez could be Nicholas, Nancy, or Natalie, while O. could stand for Oliver, Olivia, or Oscar.
97. **Scott, P. & Scott, Q.**: P. Scott could be Paul, Patricia, or Peter, while Q. could stand for Quentin, Queen, or Quinn.
98. **Thompson, R. & Thompson, S.**: R. Thompson could be Robert, Rebecca, or Rachel, while S. could stand for Samuel, Sarah, or Sophia.
99. **Turner, T. & Turner, U.**: T. Turner could be Thomas, Tiffany, or Taylor, while U. could stand for Ursula, Ulysses, or Uma.
100. **Walker, V. & Walker, W.**: V. Walker could be Victor, Vanessa, or Veronica, while W. could stand for William, Wendy, or Walter.