APA (7th ed.) Citation

Hallgren, M. A. (1937). The tragic fallacy: A study of America's war policies. A.A. Knopf.

Chicago Style (17th ed.) Citation

Hallgren, Mauritz Alfred. The Tragic Fallacy: A Study of America's War Policies. New York, London: A.A. Knopf, 1937.

MLA (9th ed.) Citation

Hallgren, Mauritz Alfred. The Tragic Fallacy: A Study of America's War Policies. A.A. Knopf, 1937.