APA (7th ed.) Citation

United States. Railway Mail Service. (1903). General scheme of State of Wisconsin, Mar. 1903. GPO.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. General Scheme of State of Wisconsin, Mar. 1903. [Washington]: GPO, 1903.

MLA (9th ed.) Citation

United States. Railway Mail Service. General Scheme of State of Wisconsin, Mar. 1903. GPO, 1903.

Warning: These citations may not always be 100% accurate.