APA (7. basım) Alıntı

Keeton, W. T. (1973). Elements of biological science (2d ed.). Norton National Book Store.

Chicago Style (17. basım) Atıf

Keeton, William T. Elements of Biological Science. 2d ed. New York, Manila: Norton National Book Store, 1973.

MLA (9th ed.) Atıf

Keeton, William T. Elements of Biological Science. 2d ed. Norton National Book Store, 1973.