APA (7th ed.) Citation

United States. Post Office Department. (1918). Scheme of Illinois; Cincinnati, Ohio standpoint. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. Scheme of Illinois; Cincinnati, Ohio Standpoint. [Washington]: GPO, 1918.

MLA (9th ed.) Citation

United States. Post Office Department. Scheme of Illinois; Cincinnati, Ohio Standpoint. GPO, 1918.

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