APA (7th ed.) Citation

Westbrook, R. B. (2004). Why we fought: Forging American obligations in World War II. Smithsonian Books.

Chicago Style (17th ed.) Citation

Westbrook, Robert B. Why We Fought: Forging American Obligations in World War II. Washington, D.C.: Smithsonian Books, 2004.

MLA (9th ed.) Citation

Westbrook, Robert B. Why We Fought: Forging American Obligations in World War II. Smithsonian Books, 2004.