APA (7th ed.) Citation

ProQuest (Firm), Schaie, K. W., & Willis, S. L. (2016). Handbook of the psychology of aging (Eighth edition.). Elsevier/Academic Press.

Chicago Style (17th ed.) Citation

ProQuest (Firm), K. Warner Schaie, and Sherry L. Willis. Handbook of the Psychology of Aging. Eighth edition. Amsterdam: Elsevier/Academic Press, 2016.

MLA (9th ed.) Citation

ProQuest (Firm), et al. Handbook of the Psychology of Aging. Eighth edition. Elsevier/Academic Press, 2016.