APA (7th ed.) Citation

Nattrass, S., Croft, D., Ellis, S., Cant, M., Weiss, M., Wright, B., . . . Franks, D. (2019). Postreproductive killer whale grandmothers improve the survival of their grandoffspring. Proceedings of the National Academy of Sciences, 116(52), 26669.

Chicago Style (17th ed.) Citation

Nattrass, S., et al. "Postreproductive Killer Whale Grandmothers Improve the Survival of Their Grandoffspring." Proceedings of the National Academy of Sciences 116, no. 52 (2019): 26669.

MLA (9th ed.) Citation

Nattrass, S., et al. "Postreproductive Killer Whale Grandmothers Improve the Survival of Their Grandoffspring." Proceedings of the National Academy of Sciences, vol. 116, no. 52, 2019, p. 26669.