APA (7th ed.) Citation

Paul, E. F., Miller, F. D., Jr., & Paul, J. (1993). Altruism. Cambridge University Press.

Chicago Style (17th ed.) Citation

Paul, Ellen Frankel, Fred D. Miller, Jr, and Jeffrey Paul. Altruism. Cambridge ; New York: Cambridge University Press, 1993.

MLA (9th ed.) Citation

Paul, Ellen Frankel, et al. Altruism. Cambridge University Press, 1993.