APA (7th ed.) Citation

Keeton, W. T., & Santo Bensadoun, P. D. (1980). Biological science (Third edition.). Norton.

Chicago Style (17th ed.) Citation

Keeton, William T., and Paula D. Santo Bensadoun. Biological Science. Third edition. New York: Norton, 1980.

MLA (9th ed.) Citation

Keeton, William T., and Paula D. Santo Bensadoun. Biological Science. Third edition. Norton, 1980.