Cita APA (7th ed.)
Simons, J. A., & Irwin, D. B. (1987). Psychology: The search for un derstanding. West.
Cita Chicago (17th ed.)
Simons, Janet A., i Donald B. Irwin. Psychology: The Search for Un Derstanding. St. Paul: West, 1987.
Cita MLA (9th ed.)
Simons, Janet A., i Donald B. Irwin. Psychology: The Search for Un Derstanding. West, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.