APA استشهاد

Wanlas, L. C. (1970). Gettell's history of political thought (2 edition.). Surjeet Publications.

استشهاد بنمط شيكاغو

Wanlas, Lawrence C. Gettell's History of Political Thought. 2 edition. New Delhi: Surjeet Publications, 1970.

MLA استشهاد

Wanlas, Lawrence C. Gettell's History of Political Thought. 2 edition. Surjeet Publications, 1970.