APA (7th ed.) Citation

United States. Post Office Department. (1922). General scheme of North Carolina. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. General Scheme of North Carolina. [Washington]: GPO, 1922.

MLA (9th ed.) Citation

United States. Post Office Department. General Scheme of North Carolina. GPO, 1922.

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