Zimbardo, P. G. (1988). Psychology and life (12th ed.). Scott, Foresman and Co..
Cita Chicago (17th ed.)Zimbardo, Philip G. Psychology and Life. 12th ed. Glenview, Illinois: Scott, Foresman and Co., 1988.
Cita MLA (9th ed.)Zimbardo, Philip G. Psychology and Life. 12th ed. Scott, Foresman and Co., 1988.
Atenció: Aquestes cites poden no estar 100% correctes.