APA (7th ed.) Citation

Darwin Charles. (1901). The origin of species by means of natural selection or the preservation of favoured races in the struggle for life. John Murray.

Chicago Style (17th ed.) Citation

Darwin Charles. The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. Londres: John Murray, 1901.

MLA (9th ed.) Citation

Darwin Charles. The Origin of Species by Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. John Murray, 1901.