APA (7th ed.) Citation

Rand, D. G., Greene, J. D., & Nowak, M. A. (2012). Spontaneous giving and calculated greed. Nature (London), 489(7416), 427-430. https://doi.org/10.1038/nature11467

Chicago Style (17th ed.) Citation

Rand, David G., Joshua D. Greene, and Martin A. Nowak. "Spontaneous Giving and Calculated Greed." Nature (London) 489, no. 7416 (2012): 427-430. https://doi.org/10.1038/nature11467.

MLA (9th ed.) Citation

Rand, David G., et al. "Spontaneous Giving and Calculated Greed." Nature (London), vol. 489, no. 7416, 2012, pp. 427-430, https://doi.org/10.1038/nature11467.