APA (7th ed.) Citation

United States. Post Office Department. (1943). Government owned motor vehicle service, rules and regulations. [s.n.].

Chicago Style (17th ed.) Citation

United States. Post Office Department. Government Owned Motor Vehicle Service, Rules and Regulations. [Washington]: [s.n.], 1943.

MLA (9th ed.) Citation

United States. Post Office Department. Government Owned Motor Vehicle Service, Rules and Regulations. [s.n.], 1943.