Darwin Charles. (1979). The descent of man: And selection in relation to sex. The Easton Press.
Citazione stile Chigago Style (17a edizione)Darwin Charles. The Descent of Man: And Selection in Relation to Sex. Norwalk: The Easton Press, 1979.
Citatione MLA (9a ed.)Darwin Charles. The Descent of Man: And Selection in Relation to Sex. The Easton Press, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.