APA-referens (7:e uppl.)

Davis, W. S., Anderson, W., & Tyler, M. W. (1918). The roots of the war: A non-technical history of Europe, 1870-1914, A.D. The Century Co..

Chicago-referens (17:e uppl.)

Davis, William Stearns, William Anderson, och Mason W. Tyler. The Roots of the War: A Non-technical History of Europe, 1870-1914, A.D. New York: The Century Co., 1918.

MLA-referens (8:e uppl.)

Davis, William Stearns, et al. The Roots of the War: A Non-technical History of Europe, 1870-1914, A.D. The Century Co., 1918.