Axelrod, R., Hammond, R., & Grafen, A. (2004). Altruism via kin-selection strategies that rely on arbitrary tags with which they coevolve.
芝加哥风格引文Axelrod, R., R. Hammond, 与 A. Grafen. Altruism via Kin-selection Strategies That Rely on Arbitrary Tags with Which They Coevolve. 2004.
MLA引文Axelrod, R., et al. Altruism via Kin-selection Strategies That Rely on Arbitrary Tags with Which They Coevolve. 2004.
警告：这些引文格式不一定是100％准确.