APA (7th ed.) Citation

Clay, H. (1945). War and unemployment. Oxford University Press, H. Milford.

Chicago Style (17th ed.) Citation

Clay, Henry. War and Unemployment. London: Oxford University Press, H. Milford, 1945.

MLA (9th ed.) Citation

Clay, Henry. War and Unemployment. Oxford University Press, H. Milford, 1945.