APA (7th ed.) Citation

Gardner, E. J. (1965). History of biology (2nd ed.). Burgess.

Chicago Style (17th ed.) Citation

Gardner, Eldon J. History of Biology. 2nd ed. Minneapolis: Burgess, 1965.

MLA (9th ed.) Citation

Gardner, Eldon J. History of Biology. 2nd ed. Burgess, 1965.