APA (7e ed.) Bronvermelding

Ferris, W. H. (1973). The power capabilities of nation-states: International conflict and war. Lexington Books.

Chicago (17e ed.) Bronvermelding

Ferris, Wayne H. The Power Capabilities of Nation-states: International Conflict and War. Lexington: Lexington Books, 1973.

MLA (9e ed.) Bronvermelding

Ferris, Wayne H. The Power Capabilities of Nation-states: International Conflict and War. Lexington Books, 1973.