APA (7th ed.) Citation

United States. Hydrographic Office. (1932). Maryland, Edgewood, Edgewood Arsenal Field. GPO.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Maryland, Edgewood, Edgewood Arsenal Field. [Washington]: GPO, 1932.

MLA (9th ed.) Citation

United States. Hydrographic Office. Maryland, Edgewood, Edgewood Arsenal Field. GPO, 1932.

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