APA (7th ed.) Citation

Enger, E. D. (1979). Concepts in biology (2d ed.). W. C. Brown Co..

Chicago Style (17th ed.) Citation

Enger, Eldon D. Concepts in Biology. 2d ed. Dubuque, Iowa: W. C. Brown Co., 1979.

MLA (9th ed.) Citation

Enger, Eldon D. Concepts in Biology. 2d ed. W. C. Brown Co., 1979.