Cita APA (7th ed.)

Schultz, D. P., & Schultz, S. E. (2017). Theories of personality (Eleventh edition.). Cengage Learning.

Cita Chicago (17th ed.)

Schultz, Duane P., i Sydney Ellen Schultz. Theories of Personality. Eleventh edition. Boston, MA: Cengage Learning, 2017.

Cita MLA (9th ed.)

Schultz, Duane P., i Sydney Ellen Schultz. Theories of Personality. Eleventh edition. Cengage Learning, 2017.