Citação norma APA

Darwin, C. (1872). Origin of species by means of natural selection or the preservation of favoured races in the struggle for life and the descent of man and selection in relation to sex (6th ed.). Modern Library.

Citação norma Chicago

Darwin, Charles. Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life and the Descent of Man and Selection in Relation to Sex. 6th ed. New York: Modern Library, 1872.

Citação norma MLA

Darwin, Charles. Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life and the Descent of Man and Selection in Relation to Sex. 6th ed. Modern Library, 1872.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.