Cita APA (7th ed.)
Schultz, D. P., & Schultz, S. E. (2009). Theories of personality (ed.). Wadsworth.
Cita Chicago (17th ed.)
Schultz, Duane P., i S. Ellen Schultz. Theories of Personality. ed. Australia: Wadsworth, 2009.
Cita MLA (9th ed.)
Schultz, Duane P., i S. Ellen Schultz. Theories of Personality. ed. Wadsworth, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.