APA (7th ed.) Citation

United States. Post Office Department. (1939). Appropriations for and legislation concerning Post Office Department and postal service, fiscal year 1940. [s.n.].

Chicago Style (17th ed.) Citation

United States. Post Office Department. Appropriations for and Legislation Concerning Post Office Department and Postal Service, Fiscal Year 1940. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Post Office Department. Appropriations for and Legislation Concerning Post Office Department and Postal Service, Fiscal Year 1940. [s.n.], 1939.