APA (7th ed.) Citation

Knaus, H. (1964). Human procreation and its natural regulation. I. Obolensky.

Chicago Style (17th ed.) Citation

Knaus, Hermann. Human Procreation and Its Natural Regulation. New York: I. Obolensky, 1964.

MLA (9th ed.) Citation

Knaus, Hermann. Human Procreation and Its Natural Regulation. I. Obolensky, 1964.

Warning: These citations may not always be 100% accurate.