APA (7th ed.) Citation

United States. Postmaster General. (1904). Specifications for U.S. mail wagon (size numbers 1), issued by Post Office Department, Sept. 15, 1904, to be used in performance of covered screen wagon mail messenger, transfer, and mail station service. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Specifications for U.S. Mail Wagon (size Numbers 1), Issued by Post Office Department, Sept. 15, 1904, to Be Used in Performance of Covered Screen Wagon Mail Messenger, Transfer, and Mail Station Service. [Washington]: GPO, 1904.

MLA (9th ed.) Citation

United States. Postmaster General. Specifications for U.S. Mail Wagon (size Numbers 1), Issued by Post Office Department, Sept. 15, 1904, to Be Used in Performance of Covered Screen Wagon Mail Messenger, Transfer, and Mail Station Service. GPO, 1904.