Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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