APA Citation

Zahn-Waxler, C., Cummings, E., & Iannotti, R. (1986). Altruism and aggression: Biological and social origins. New York: Cambridge University Press.

Chicago Style Citation

Zahn-Waxler, Carolyn, E.Mark Cummings, and Ronald Iannotti. Altruism and Aggression: Biological and Social Origins. New York: Cambridge University Press, 1986.

MLA Citation

Zahn-Waxler, Carolyn, E.Mark Cummings, and Ronald Iannotti. Altruism and Aggression: Biological and Social Origins. New York: Cambridge University Press, 1986.

Warning: These citations may not always be 100% accurate.