APA (7th ed.) Citation

United States. Post Office Department. (1911). Scheme of city distribution for use in post office at Washington, D.C. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. Scheme of City Distribution for Use in Post Office at Washington, D.C. [Washington]: GPO, 1911.

MLA (9th ed.) Citation

United States. Post Office Department. Scheme of City Distribution for Use in Post Office at Washington, D.C. GPO, 1911.

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