Style de citation APA (7e éd.)

Keeton, W. T. (1972). Elements of biological science (2nd ed.). W.W. Norton.

Style de citation Chicago (17e éd.)

Keeton, William T. Elements of Biological Science. 2nd ed. New York: W.W. Norton, 1972.

Style de citation MLA (9e éd.)

Keeton, William T. Elements of Biological Science. 2nd ed. W.W. Norton, 1972.