Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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