Huxley, T. H. (1863). On the origin of species: Or, the causes of the phenomena of organic nature. D. Appleton.
Chicago Style (17th ed.) CitationHuxley, Thomas H. On the Origin of Species: Or, the Causes of the Phenomena of Organic Nature. New York: D. Appleton, 1863.
MLA (9th ed.) CitationHuxley, Thomas H. On the Origin of Species: Or, the Causes of the Phenomena of Organic Nature. D. Appleton, 1863.
Warning: These citations may not always be 100% accurate.