APA引文

Cromwell, J. H. R. (1941). Pax americana: American democracy and world peace. A. Kroch and Son.

Chicago Style (17th ed.) Citation

Cromwell, James Henry Roberts. Pax Americana: American Democracy and World Peace. Chicago: A. Kroch and Son, 1941.

MLA引文

Cromwell, James Henry Roberts. Pax Americana: American Democracy and World Peace. A. Kroch and Son, 1941.