Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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