APA (7th ed.) Citation

Zimbardo, P. G., & Weber, A. L. (1997). Psychology. Longman.

Chicago Style (17th ed.) Citation

Zimbardo, Philip G., and Ann L. Weber. Psychology. New York: Longman, 1997.

MLA (8th ed.) Citation

Zimbardo, Philip G., and Ann L. Weber. Psychology. Longman, 1997.