APA (7th ed.) Citation

Hardy, G. M. G. (1934). A short history of international affairs 1920-1939: : third revised edition to the outbreak war. Oxford University Press.

Chicago Style (17th ed.) Citation

Hardy, G. M. Gathorne. A Short History of International Affairs 1920-1939: : Third Revised Edition to the Outbreak War. New York: Oxford University Press, 1934.

MLA (9th ed.) Citation

Hardy, G. M. Gathorne. A Short History of International Affairs 1920-1939: : Third Revised Edition to the Outbreak War. Oxford University Press, 1934.