Cita APA (7th ed.)

Schultz, D., & Schultz, S. E. (1994). Theories of personality (5th ed.). Brooks/Cole.

Cita Chicago (17th ed.)

Schultz, Duane, i Sydney E. Schultz. Theories of Personality. 5th ed. California: Brooks/Cole, 1994.

Cita MLA (9th ed.)

Schultz, Duane, i Sydney E. Schultz. Theories of Personality. 5th ed. Brooks/Cole, 1994.