APA (7th ed.) Citation

United States. Hydrographic Office. (1875). Rio de la Plata. GPO.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Rio De La Plata. [Washington]: GPO, 1875.

MLA (9th ed.) Citation

United States. Hydrographic Office. Rio De La Plata. GPO, 1875.

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