APA (7th ed.) Citation

Gardner, E. J. (1960). Principles of genetics. John Wiley & sons.

Chicago Style (17th ed.) Citation

Gardner, Elton J. Principles of Genetics. New York: John Wiley & sons, 1960.

MLA (8th ed.) Citation

Gardner, Elton J. Principles of Genetics. John Wiley & sons, 1960.