APA (7th ed.) Citation

United States. Postmaster General. (1914). Distribution scheme of city of Denver, Colo. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Distribution Scheme of City of Denver, Colo. Washington: U.S. GPO, 1914.

MLA (9th ed.) Citation

United States. Postmaster General. Distribution Scheme of City of Denver, Colo. U.S. GPO, 1914.

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