APA (7th ed.) Citation

United States. War Department. (1918). Cooperation with War Risk Insurance Bureau and Federal Board for Vocational Education. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. War Department. Cooperation with War Risk Insurance Bureau and Federal Board for Vocational Education. Washington: [publisher not identified], 1918.

MLA (9th ed.) Citation

United States. War Department. Cooperation with War Risk Insurance Bureau and Federal Board for Vocational Education. [publisher not identified], 1918.