Citazione Stile APA (7a Edizione)

Hergenhahn, B. R. (1990). An introduction to theories of personality (3rd ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Hergenhahn, B. R. An Introduction to Theories of Personality. 3rd ed. Englewood Cliffs, N. J: Prentice-Hall, 1990.

Citatione MLA (9a ed.)

Hergenhahn, B. R. An Introduction to Theories of Personality. 3rd ed. Prentice-Hall, 1990.