Cita APA

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

Citación estilo Chicago

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

Cita MLA

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