APA (7th ed.) Citation

Darwin, C. (1899). The Variation of animals and plants under domestication. D. Appleton.

Chicago Style (17th ed.) Citation

Darwin, Charles. The Variation of Animals and Plants Under Domestication. New York: D. Appleton, 1899.

MLA (9th ed.) Citation

Darwin, Charles. The Variation of Animals and Plants Under Domestication. D. Appleton, 1899.

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