APA استشهاد

Gardner, E. J. S. (1991). Principles of Genetics (8th;Ed.). John Wiley & Sons.

استشهاد بنمط شيكاغو

Gardner, Eldon John Simmons. Principles of Genetics. 8th;Ed. New York: John Wiley & Sons, 1991.

MLA استشهاد

Gardner, Eldon John Simmons. Principles of Genetics. 8th;Ed. John Wiley & Sons, 1991.