Darwin, C. (1850). The Origin of species by means of natural selection: Or The preservation of favored races in the struggle for life. W. B. Conkey.
Citação do estilo Chicago (17ª ed.)Darwin, Charles. The Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life. Chicago: W. B. Conkey, 1850.
Citação MLA (8ª ed.)Darwin, Charles. The Origin of Species by Means of Natural Selection: Or The Preservation of Favored Races in the Struggle for Life. W. B. Conkey, 1850.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.