APA aipamena

Boyd, R., Gintis, H., Bowles, S., & Richerson, P. J. (2003). The evolution of altruistic punishment. The National Academy of Sciences.

Chicago Style aipamena

Boyd, Robert, Herbert Gintis, Samuel Bowles, and Peter J. Richerson. The Evolution of Altruistic Punishment. The National Academy of Sciences, 2003.

MLA aipamena

Boyd, Robert, Herbert Gintis, Samuel Bowles, and Peter J. Richerson. The Evolution of Altruistic Punishment. The National Academy of Sciences, 2003.