APA način citiranja (7. izdanje)

Gauba, O. (2020). Western Political Thought (4th.). National Paperbacks.

Čikaški stil citiranja (17. izdanje)

Gauba, O.P. Western Political Thought. 4th. New Delhi: National Paperbacks, 2020.

MLA način citiranja (9. izdanje)

Gauba, O.P. Western Political Thought. 4th. National Paperbacks, 2020.