Apostatic selection and population density.

MLA

Greenwood, J. J. D. “Apostatic Selection and Population Density.” Heredity, vol. 24, no. 1, Feb. 1969, pp. 157–61. EBSCOhost, https://doi.org/10.1038/hdy.1969.15.

APA

Greenwood, J. J. D. (1969). Apostatic selection and population density. Heredity, 24(1), 157–161. https://doi.org/10.1038/hdy.1969.15

Chicago

Greenwood, J J D. 1969. “Apostatic Selection and Population Density.” Heredity 24 (1): 157–61. doi:10.1038/hdy.1969.15.