APA (7. basım) Alıntı

Keeton, W. T. (1980). Biological Science. Norton & Company.

Chicago Style (17. basım) Atıf

Keeton, Willian T. Biological Science. New York: Norton & Company, 1980.

MLA (9th ed.) Atıf

Keeton, Willian T. Biological Science. Norton & Company, 1980.