APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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