APA (7th ed.) Citation

Keeton, W. T., McFadden, C. H., & Bensadoun, P. d. S. (1983). Elements of biological science (Third edition.). Norton.

Chicago Style (17th ed.) Citation

Keeton, William T., Carol Hardy McFadden, and Paula di Santo Bensadoun. Elements of Biological Science. Third edition. New York: Norton, 1983.

MLA (9th ed.) Citation

Keeton, William T., et al. Elements of Biological Science. Third edition. Norton, 1983.