APA (7th ed.) Citation

United States. Office of War Information & Duffy, E. (1942). The unconquered people. [U.S. Govt. Print. Off].

Chicago Style (17th ed.) Citation

United States. Office of War Information and Edmund Duffy. The Unconquered People. [Washington]: [U.S. Govt. Print. Off], 1942.

MLA (9th ed.) Citation

United States. Office of War Information and Edmund Duffy. The Unconquered People. [U.S. Govt. Print. Off], 1942.