APA (7th ed.) Citation

Darwin Charles. (1979). The descent of man: And selection in relation to sex. The Easton Press.

Chicago Style (17th ed.) Citation

Darwin Charles. The Descent of Man: And Selection in Relation to Sex. Norwalk: The Easton Press, 1979.

MLA (9th ed.) Citation

Darwin Charles. The Descent of Man: And Selection in Relation to Sex. The Easton Press, 1979.