APA-referens (7:e uppl.)

Maddi, S. R. (1972). Personality theories: A comparative analysis (Rev. ed.). Dorsey Press.

Chicago-referens (17:e uppl.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. Rev. ed. Homewood, Ill: Dorsey Press, 1972.

MLA-referens (9:e uppl.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. Rev. ed. Dorsey Press, 1972.