Cita APA (7th ed.)
Wanlass ,lawrence c. (1956). Gettel's history of political thought (2nd ed.). Surjeet publications.
Cita Chicago (17th ed.)
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. New Delhi: Surjeet publications, 1956.
Cita MLA (9th ed.)
Wanlass ,lawrence c. Gettel's History of Political Thought. 2nd ed. Surjeet publications, 1956.
Atenció: Aquestes cites poden no estar 100% correctes.