APA (7th ed.) Citation

Darwin, C. (1896). The origin of species by means of natural selection, or, The preservation of favored races in the struggle for life. D. Appleton.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. New York: D. Appleton, 1896.

MLA (9th ed.) Citation

Darwin, Charles. The Origin of Species by Means of Natural Selection, or, The Preservation of Favored Races in the Struggle for Life. D. Appleton, 1896.