APA (7th ed.) Citation

United States. War Department. (1944). Education Manual No. 43: The Balkans, Many Peoples, Many Problems. [s.n.].

Chicago Style (17th ed.) Citation

United States. War Department. Education Manual No. 43: The Balkans, Many Peoples, Many Problems. [Washington]: [s.n.], 1944.

MLA (9th ed.) Citation

United States. War Department. Education Manual No. 43: The Balkans, Many Peoples, Many Problems. [s.n.], 1944.