APA (7th ed.) Citation

Boyd, R. P. D., & Richerson, P. J. (2005). The origin and evolution of cultures. Oxford University Press.

Chicago Style (17th ed.) Citation

Boyd, Robert Ph. D., and Peter J. Richerson. The Origin and Evolution of Cultures. Oxford, New York: Oxford University Press, 2005.

MLA (9th ed.) Citation

Boyd, Robert Ph. D., and Peter J. Richerson. The Origin and Evolution of Cultures. Oxford University Press, 2005.