APA (7th ed.) Citation

United States. Post Office Department. (1920). General scheme of peninsula consisting of State of Delaware and peninsula counties of Caroline, Cecil, Dorchester, Kent, Queen Annes, Somerset, Talbot, Wicomico, and Worcester in Maryland and Accomac and Northampton in Virginia. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. General Scheme of Peninsula Consisting of State of Delaware and Peninsula Counties of Caroline, Cecil, Dorchester, Kent, Queen Annes, Somerset, Talbot, Wicomico, and Worcester in Maryland and Accomac and Northampton in Virginia. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Post Office Department. General Scheme of Peninsula Consisting of State of Delaware and Peninsula Counties of Caroline, Cecil, Dorchester, Kent, Queen Annes, Somerset, Talbot, Wicomico, and Worcester in Maryland and Accomac and Northampton in Virginia. GPO, 1920.