Παραπομπή σε μορφή APA (7η εκδ.)

Hrdy, S. B. (1980). The langurs of Abu: Female and male strategies of reproduction. Harvard University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hrdy, Sarah Blaffer. The Langurs of Abu: Female and Male Strategies of Reproduction. Cambridge, Mass.: Harvard University Press, 1980.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hrdy, Sarah Blaffer. The Langurs of Abu: Female and Male Strategies of Reproduction. Harvard University Press, 1980.