APA (7th ed.) Citation

Gardner, E. J. (1964). Principles of genetics (2d ed.). Wiley.

Chicago Style (17th ed.) Citation

Gardner, Eldon J. Principles of Genetics. 2d ed. New York: Wiley, 1964.

MLA (8th ed.) Citation

Gardner, Eldon J. Principles of Genetics. 2d ed. Wiley, 1964.