Darwin, C. R., & Darwin, C. (1977). The origin of species: By means of natural selection ; The descent of man : and selection in relation to sex. Encyclopaedia Britannica.
Style de citation Chicago (17e éd.)Darwin, Charles Robert, et Charles Darwin. The Origin of Species: By Means of Natural Selection ; The Descent of Man : And Selection in Relation to Sex. Chicago: Encyclopaedia Britannica, 1977.
Style de citation MLA (8e éd.)Darwin, Charles Robert, et Charles Darwin. The Origin of Species: By Means of Natural Selection ; The Descent of Man : And Selection in Relation to Sex. Encyclopaedia Britannica, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.