Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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