APA (7th ed.) Citation

Keeton, W. T. (1973). Elements of biological science (Second edition.). Norton.

Chicago Style (17th ed.) Citation

Keeton, William T. Elements of Biological Science. Second edition. New York: Norton, 1973.

MLA (9th ed.) Citation

Keeton, William T. Elements of Biological Science. Second edition. Norton, 1973.

Warning: These citations may not always be 100% accurate.