Darwin, C., Barrett, P. H., & Freeman, R. B. (1989). The descent of man, and selection in relation to sex, 2. Pickering.
Style de citation Chicago (17e éd.)Darwin, Charles, Paul H. Barrett, et R. B. Freeman. The Descent of Man, and Selection in Relation to Sex, 2. London: Pickering, 1989.
Style de citation MLA (8e éd.)Darwin, Charles, et al. The Descent of Man, and Selection in Relation to Sex, 2. Pickering, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.