Cita APA (7a ed.)

Waal, F. B. M. d., Wright, R., Macedo, S., & Ober, J. (2009). Primates and philosophers: How morality evolved. Princeton University Press.

Cita Chicago Style (17a ed.)

Waal, F. B. M. de, Robert Wright, Stephen Macedo, y Josiah Ober. Primates and Philosophers: How Morality Evolved. New Jersey: Princeton University Press, 2009.

Cita MLA (9a ed.)

Waal, F. B. M. de, et al. Primates and Philosophers: How Morality Evolved. Princeton University Press, 2009.