APA (7. basım) Alıntı

Ellis, R. S. (1930). The psychology of individual differences. D. Appleton and Co.

Chicago Style (17. basım) Atıf

Ellis, Robert Sidney. The Psychology of Individual Differences. New York: D. Appleton and Co, 1930.

MLA (9th ed.) Atıf

Ellis, Robert Sidney. The Psychology of Individual Differences. D. Appleton and Co, 1930.