APA Edition Citation

Gardner, E. J., & Gardner, E. J. (1991). Principles of Genetics. John Wiley & Sons, Inc.

Chicago Edition Citation

Gardner, Eldon John, and Eldon John,Simmons Gardner. Principles of Genetics. New York: John Wiley & Sons, Inc, 1991.

MLA Edition Citation

Gardner, Eldon John, and Eldon John,Simmons Gardner. Principles of Genetics. John Wiley & Sons, Inc, 1991.