APA (7th ed.) Citation

Darwin, C. (1963). The origin of species. Dent ; Dutton.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Origin of Species. London : New York: Dent ; Dutton, 1963.

MLA (9th ed.) Citation

Darwin, Charles. The Origin of Species. Dent ; Dutton, 1963.

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