APA (7th ed.) Citation

U.S. Coast and Geodetic Survey. (1907). Results of observations made at Coast and Geodetic Survey magnetic observatory at Sitka, Alaska, 1907 and 1908. GPO.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey. Results of Observations Made at Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska, 1907 and 1908. [Washington]: GPO, 1907.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey. Results of Observations Made at Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska, 1907 and 1908. GPO, 1907.