Cita APA (7th ed.)

Hergenhahn, B. R., & Olson, M. H. (2007). An Introduction to theories of personality (7th ed.). Pearson Prentice Hall.

Cita Chicago (17th ed.)

Hergenhahn, B. R., i Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Upper Saddle River, N.J: Pearson Prentice Hall, 2007.

Cita MLA (9th ed.)

Hergenhahn, B. R., i Matthew H. Olson. An Introduction to Theories of Personality. 7th ed. Pearson Prentice Hall, 2007.