Citazione Stile APA (7a Edizione)

Darwin, C. (1981). The descent of man, and selection in relation to sex. Princeton University Press.

Citazione stile Chigago Style (17a edizione)

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. Princeton, N.J.: Princeton University Press, 1981.

Citatione MLA (9a ed.)

Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. Princeton University Press, 1981.