APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1937). Magnetic Declination in United States, 1935. [s.n.].

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Magnetic Declination in United States, 1935. [Washington]: [s.n.], 1937.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Magnetic Declination in United States, 1935. [s.n.], 1937.

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