APA (7th ed.) Citation

United States. Railway Mail Service. (1908). Scheme of Oklahoma, Denver, Colo., standpoint, July 1908. GPO.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. Scheme of Oklahoma, Denver, Colo., Standpoint, July 1908. [Washington]: GPO, 1908.

MLA (9th ed.) Citation

United States. Railway Mail Service. Scheme of Oklahoma, Denver, Colo., Standpoint, July 1908. GPO, 1908.

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