APA (7th ed.) Citation

Keith, A. B. (1940). The causes of the war. Nelson.

Chicago Style (17th ed.) Citation

Keith, Arthur Berriedale. The Causes of the War. London: Nelson, 1940.

MLA (8th ed.) Citation

Keith, Arthur Berriedale. The Causes of the War. Nelson, 1940.

Warning: These citations may not always be 100% accurate.