APA (7th ed.) Citation

Shah, J. Y., & Gardner, W. L. (2008). Handbook of motivation science. Guilford Press.

Chicago Style (17th ed.) Citation

Shah, James Y., and Wendi L. Gardner. Handbook of Motivation Science. New York: Guilford Press, 2008.

MLA (9th ed.) Citation

Shah, James Y., and Wendi L. Gardner. Handbook of Motivation Science. Guilford Press, 2008.