APA-referens (7:e uppl.)

Midlarsky, E., & Kahana, E. (1994). Altruism in later life. Sage Publications.

Chicago-referens (17:e uppl.)

Midlarsky, Elizabeth, och Eva Kahana. Altruism in Later Life. Thousand Oaks: Sage Publications, 1994.

MLA-referens (8:e uppl.)

Midlarsky, Elizabeth, och Eva Kahana. Altruism in Later Life. Sage Publications, 1994.