Cita APA (7a ed.)

Wright, R. (1997). The moral animal: Evolutionary psychology and everyday life. Abacus.

Cita Chicago Style (17a ed.)

Wright, Robert. The Moral Animal: Evolutionary Psychology and Everyday Life. London: Abacus, 1997.

Cita MLA (9a ed.)

Wright, Robert. The Moral Animal: Evolutionary Psychology and Everyday Life. Abacus, 1997.