APA (7th ed.) Citation

Oakley, B., & Madhavan, G. (2011). The dark side of altruism. New Scientist, 211(2829), 30. https://doi.org/10.1016/S0262-4079(11)62211-2

Chicago Style (17th ed.) Citation

Oakley, Barbara, and Guruprasad Madhavan. "The Dark Side of Altruism." New Scientist 211, no. 2829 (2011): 30. https://doi.org/10.1016/S0262-4079(11)62211-2.

MLA (9th ed.) Citation

Oakley, Barbara, and Guruprasad Madhavan. "The Dark Side of Altruism." New Scientist, vol. 211, no. 2829, 2011, p. 30, https://doi.org/10.1016/S0262-4079(11)62211-2.