APA (7e ed.) Bronvermelding

Schulz, R., & Ewen, R. B. (1993). Adult development and aging: Myths and emerging realities (2nd edition.). Macmillan.

Chicago (17e ed.) Bronvermelding

Schulz, Richard, en Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. 2nd edition. New York: Macmillan, 1993.

MLA (9e ed.) Bronvermelding

Schulz, Richard, en Robert B. Ewen. Adult Development and Aging: Myths and Emerging Realities. 2nd edition. Macmillan, 1993.