APA (7th ed.) Citation

Keeton, W. T. (1976). Biological science (3rd.). W.W.Norton and Company.

Chicago Style (17th ed.) Citation

Keeton, William T. Biological Science. 3rd. New York: W.W.Norton and Company, 1976.

MLA (9th ed.) Citation

Keeton, William T. Biological Science. 3rd. W.W.Norton and Company, 1976.