APA (7th ed.) Citation

Gathorne-Hardy, G. M. (1942). A short history of international affairs: 1920 to 1939 (3rd revised edition to the outbreak of war.). O.U.P..

Chicago Style (17th ed.) Citation

Gathorne-Hardy, G. M. A Short History of International Affairs: 1920 to 1939. 3rd revised edition to the outbreak of war. London: O.U.P., 1942.

MLA (8th ed.) Citation

Gathorne-Hardy, G. M. A Short History of International Affairs: 1920 to 1939. 3rd revised edition to the outbreak of war. O.U.P., 1942.