APA (7th ed.) Citation

United States. Railway Mail Service. (1900). Scheme of State of Ohio, standpoint, St. Louis, Mo., Oct. 1900. GPO.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. Scheme of State of Ohio, Standpoint, St. Louis, Mo., Oct. 1900. [Washington]: GPO, 1900.

MLA (9th ed.) Citation

United States. Railway Mail Service. Scheme of State of Ohio, Standpoint, St. Louis, Mo., Oct. 1900. GPO, 1900.

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