What if I have multiple sources written by the same author and published in the same year?
Answer
If you are citing two or more works, written by the same author, and published in the same year, add a lower case letter of the alphabet to the publication date, in-text and in the references to distinguish between the sources.
Reference Format and Examples
Author, A. A, (Yeara). Title of the book in italics (xx ed.). Publisher Name.
Author, A. A. (Yearb). Title of the article. Journal Title in Italics, Vol(Issue), xx-xx. DOI or URL
e.g.
Rogers, C. R. (1939a). The fulcra of conflict. Journal of Educational Psychology, 30(8), 636-638. https://doi.org/10.1037/h0050901
Rogers, C. R. (1939b). Psychological foundations of personality. Journal of Educational Psychology, 30(6), 473-475. https://doi.org/10.1037/h0051471
Rogers, C. R. (1939c). The use of tests and rating devices in the appraisal of personality. Journal of Educational Psychology, 30(1), 77-78. https://doi.org/10.1037/h0051642
In-Text Format and Examples
Note: Make sure the letters used for each source in the references correspond with those used in-text.
Parenthetical citation: (Rogers, 1939a, 1939b, 1939c)
Narrative citation: Rogers (1939a)
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