APA (7th ed.) Citation

Gardner, E. J. (1972). History of biology (3. ed.). Burgess.

Chicago Style (17th ed.) Citation

Gardner, Eldon J. History of Biology. 3. ed. Minneapolis, Minn: Burgess, 1972.

MLA (9th ed.) Citation

Gardner, Eldon J. History of Biology. 3. ed. Burgess, 1972.