APA-referens (7:e uppl.)

Hergenhahn, B. R., & Olson, M. H. (1999). An introduction to theories of personality (5th ed.). Prentice Hall.

Chicago-referens (17:e uppl.)

Hergenhahn, B. R., och Matthew H. Olson. An Introduction to Theories of Personality. 5th ed. Upper Saddle River, N.J: Prentice Hall, 1999.

MLA-referens (9:e uppl.)

Hergenhahn, B. R., och Matthew H. Olson. An Introduction to Theories of Personality. 5th ed. Prentice Hall, 1999.