APA (7th ed.) Citation

Allan, M. (1977). Darwin and his flowers: The key to natural selection. Taplinger Pub. Co..

Chicago Style (17th ed.) Citation

Allan, Mea. Darwin and His Flowers: The Key to Natural Selection. New York: Taplinger Pub. Co., 1977.

MLA (9th ed.) Citation

Allan, Mea. Darwin and His Flowers: The Key to Natural Selection. Taplinger Pub. Co., 1977.