APA (7th ed.) Citation

Schaie, K. W., Willis, S. L., Knight, B. G., Levy, B., & Resnick, S. M. (2021). Handbook of the psychology of aging (Ninth edition.). Academic Press.

Chicago Style (17th ed.) Citation

Schaie, K. Warner, Sherry L. Willis, Bob G. Knight, Becca Levy, and Susan M. Resnick. Handbook of the Psychology of Aging. Ninth edition. London, United Kingdom ; San Diego, CA: Academic Press, 2021.

MLA (8th ed.) Citation

Schaie, K. Warner, et al. Handbook of the Psychology of Aging. Ninth edition. Academic Press, 2021.