APA-referens (7:e uppl.)

Burton-Chellew, M., Nax, H., & West, S. (2015). Payoff-based learning explains the decline in cooperation in public goods games. Royal Society.

Chicago-referens (17:e uppl.)

Burton-Chellew, M., H. Nax, och S. West. Payoff-based Learning Explains the Decline in Cooperation in Public Goods Games. Royal Society, 2015.

MLA-referens (9:e uppl.)

Burton-Chellew, M., et al. Payoff-based Learning Explains the Decline in Cooperation in Public Goods Games. Royal Society, 2015.