APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1911). Distribution of magnetic declination in U.S. for Jan. 1, 1910, with isogonic chart and secular change tables. GPO.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Distribution of Magnetic Declination in U.S. for Jan. 1, 1910, with Isogonic Chart and Secular Change Tables. [Washington]: GPO, 1911.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Distribution of Magnetic Declination in U.S. for Jan. 1, 1910, with Isogonic Chart and Secular Change Tables. GPO, 1911.