APA (7th ed.) Citation

Williamson, S. R. (1981). The Origins of a tragedy, July 1914. Forum Press.

Chicago Style (17th ed.) Citation

Williamson, Samuel R. The Origins of a Tragedy, July 1914. St. Louis, Mo.: Forum Press, 1981.

MLA (9th ed.) Citation

Williamson, Samuel R. The Origins of a Tragedy, July 1914. Forum Press, 1981.

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