APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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