APA (7th ed.) Citation

United States. Railway Mail Service. (1900). General scheme of Arkansas, Apr. 1900. GPO.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. General Scheme of Arkansas, Apr. 1900. [Washington]: GPO, 1900.

MLA (9th ed.) Citation

United States. Railway Mail Service. General Scheme of Arkansas, Apr. 1900. GPO, 1900.

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