APA (7th ed.) Citation

Gardner, E. J., Snustad, D. P., & Simmons, M. J. (1991). Principles of genetics (8th ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Gardner, Eldon J., D. Peter Snustad, and Michael J. Simmons. Principles of Genetics. 8th ed. New York: John Wiley & Sons, 1991.

MLA (9th ed.) Citation

Gardner, Eldon J., et al. Principles of Genetics. 8th ed. John Wiley & Sons, 1991.