APA (7th ed.) Citation

United States. Railway Mail Service. (1909). Scheme of Arkansas, Chicago, Ill., standpoint, Feb. 1909. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. Scheme of Arkansas, Chicago, Ill., Standpoint, Feb. 1909. [Place of publication not identified]: U.S. Government Printing Office, 1909.

MLA (9th ed.) Citation

United States. Railway Mail Service. Scheme of Arkansas, Chicago, Ill., Standpoint, Feb. 1909. U.S. Government Printing Office, 1909.