APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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