APA (7th ed.) Citation

Keeton, W. T. (1980). Biological science (3rd ed.). W.W. Norton.

Chicago Style (17th ed.) Citation

Keeton, William T. Biological Science. 3rd ed. New York: W.W. Norton, 1980.

MLA (8th ed.) Citation

Keeton, William T. Biological Science. 3rd ed. W.W. Norton, 1980.