APA aipamena

Hawkes, K., Kim, P. S., Kennedy, B., Bohlender, R., & Hawks, J. (2011). A reappraisal of grandmothering and natural selection. The Royal Society.

Chicago Style aipamena

Hawkes, Kristen, Peter S. Kim, Brett Kennedy, Ryan Bohlender, and John Hawks. A Reappraisal of Grandmothering and Natural Selection. The Royal Society, 2011.

MLA aipamena

Hawkes, Kristen, et al. A Reappraisal of Grandmothering and Natural Selection. The Royal Society, 2011.