APA-referens (7:e uppl.)

Maddi, S. R. (1980). Personality theories: A comparative analysis (4th ed.). Dorsey Press.

Chicago-referens (17:e uppl.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 4th ed. Homewood, Ill: Dorsey Press, 1980.

MLA-referens (9:e uppl.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 4th ed. Dorsey Press, 1980.