Cita APA (7th ed.)

SpringerLink (Online service), Sussman, R. W., & Cloninger, C. R. (2011). Origins of altruism and cooperation. Springer.

Cita Chicago (17th ed.)

SpringerLink (Online service), Robert W. Sussman, i C. Robert Cloninger. Origins of Altruism and Cooperation. New York: Springer, 2011.

Cita MLA (9th ed.)

SpringerLink (Online service), et al. Origins of Altruism and Cooperation. Springer, 2011.