APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1931). Tide tables, U.S. and foreign ports, for year 1931. GPO.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Tide Tables, U.S. and Foreign Ports, for Year 1931. [Washington]: GPO, 1931.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Tide Tables, U.S. and Foreign Ports, for Year 1931. GPO, 1931.