APA (7th ed.) Citation

Darwin, C. (1871). The descent of man, and selection in relation to sex. D. Appleton and Co..

Chicago Style (17th ed.) Citation

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. New York: D. Appleton and Co., 1871.

MLA (9th ed.) Citation

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. D. Appleton and Co., 1871.