APA

Hrdy S. B., . (1977). The langurs of Abu: female and male strategies of reproduction. Cambridge, Mass: Harvard University Press.

Chicago

Hrdy Sarah Blaffer, . 1977. The langurs of Abu: female and male strategies of reproduction. Cambridge, Mass: Harvard University Press.

Harvard

Hrdy S. B., . (1977). The langurs of Abu: female and male strategies of reproduction. Cambridge, Mass: Harvard University Press.

MLA

Hrdy Sarah Blaffer, . The langurs of Abu: female and male strategies of reproduction. Cambridge, Mass: Harvard University Press. 1977.