APA (7th ed.) Citation

United States. Hydrographic Office. (1920). Black Sea pilot: Dardanelles, Sea of Marmara, Bosporus, Black Sea, and Sea of Azov. GPO.

Chicago Style (17th ed.) Citation

United States. Hydrographic Office. Black Sea Pilot: Dardanelles, Sea of Marmara, Bosporus, Black Sea, and Sea of Azov. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Hydrographic Office. Black Sea Pilot: Dardanelles, Sea of Marmara, Bosporus, Black Sea, and Sea of Azov. GPO, 1920.

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