APA (7th ed.) Citation

Darwin, C., & Huxley, J. S. (1958). The origin of species. New American Library.

Chicago Style (17th ed.) Citation

Darwin, Charles, and Julian Sorell Huxley. The Origin of Species. New York: New American Library, 1958.

MLA (8th ed.) Citation

Darwin, Charles, and Julian Sorell Huxley. The Origin of Species. New American Library, 1958.

Warning: These citations may not always be 100% accurate.