APA (7th ed.) Citation

United States. Postmaster General. (1927). Scheme of city distribution, Dayton, Ohio. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Scheme of City Distribution, Dayton, Ohio. Washington: U.S. GPO, 1927.

MLA (9th ed.) Citation

United States. Postmaster General. Scheme of City Distribution, Dayton, Ohio. U.S. GPO, 1927.

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