Parental investment: how an equity motive can produce inequality.

MLA

Hertwig, Ralph, et al. “Parental Investment: How an Equity Motive Can Produce Inequality.” Psychological Bulletin, vol. 128, no. 5, Sept. 2002, pp. 728–45. EBSCOhost, https://doi.org/10.1037/0033-2909.128.5.728.

APA

Hertwig, R., Davis, J. N., & Sulloway, F. J. (2002). Parental investment: how an equity motive can produce inequality. Psychological Bulletin, 128(5), 728–745. https://doi.org/10.1037/0033-2909.128.5.728

Chicago

Hertwig, Ralph, Jennifer Nerissa Davis, and Frank J Sulloway. 2002. “Parental Investment: How an Equity Motive Can Produce Inequality.” Psychological Bulletin 128 (5): 728–45. doi:10.1037/0033-2909.128.5.728.