Παραπομπή APA

Frazer, J. F. D. (1959). Sexual cycles of vertebrates. Hutchinson University Library.

Παραπομπή Chicago Style

Frazer, J. F. D. Sexual Cycles of Vertebrates. London: Hutchinson University Library, 1959.

Παραπομπή MLA

Frazer, J. F. D. Sexual Cycles of Vertebrates. Hutchinson University Library, 1959.