APA (7th ed.) Citation

Darwin, C. (1917). The descent of man, and selection in relation to sex / by C. Darwin (2nd ed.). Appleton.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex / by C. Darwin. 2nd ed. Appleton, 1917.

MLA (9th ed.) Citation

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex / by C. Darwin. 2nd ed. Appleton, 1917.

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