APA (7. basım) Alıntı

Sheldon, G. W. (2001). Encyclopedia of political thought. Facts On File.

Chicago Style (17. basım) Atıf

Sheldon, Garrett Ward. Encyclopedia of Political Thought. New York: Facts On File, 2001.

MLA (9th ed.) Atıf

Sheldon, Garrett Ward. Encyclopedia of Political Thought. Facts On File, 2001.