Cita APA (7a ed.)

Cooper, B., & Wallace, C. (2001). Group selection and the evolution of altruism. University of Oxford.

Cita Chicago Style (17a ed.)

Cooper, B., y C. Wallace. Group Selection and the Evolution of Altruism. University of Oxford, 2001.

Cita MLA (9a ed.)

Cooper, B., y C. Wallace. Group Selection and the Evolution of Altruism. University of Oxford, 2001.