APA (7th ed.) Citation

United States. Hydrographic Office. (1920). South America pilot: Volume III. West coast from Corcovado Gulf to Panama, including off-lying islands. GPO.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. South America Pilot: Volume III. West Coast from Corcovado Gulf to Panama, Including Off-lying Islands. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Hydrographic Office. South America Pilot: Volume III. West Coast from Corcovado Gulf to Panama, Including Off-lying Islands. GPO, 1920.

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