APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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