APA استشهاد

Wanlass, L. C. (2006). Gettell's history of political thought. Surjeet.

استشهاد بنمط شيكاغو

Wanlass, Lawrence C. Gettell's History of Political Thought. New Delhi: Surjeet, 2006.

MLA استشهاد

Wanlass, Lawrence C. Gettell's History of Political Thought. Surjeet, 2006.