Παραπομπή APA

Gardner, E. J. (1972). Principles of genetics (4th ed.). Wiley Eastern.

Παραπομπή Chicago Style

Gardner, Eldon J. Principles of Genetics. 4th ed. New York: Wiley Eastern, 1972.

Παραπομπή MLA

Gardner, Eldon J. Principles of Genetics. 4th ed. Wiley Eastern, 1972.