Zimbardo, P. G., & Gerrig, R. J. (1996). Psychology and life (14th ed.). HarperCollins College Publishers.

Zimbardo, Philip G., and Richard J. Gerrig. Psychology and Life. 14th ed. New York: HarperCollins College Publishers, 1996.

Zimbardo, Philip G., and Richard J. Gerrig. Psychology and Life. 14th ed. HarperCollins College Publishers, 1996.