APA (7th ed.) Citation

(1925). Results of observations made at U.S. Coast and Geodetic Survey magnetic observatory at Sitka, Alaska in 1925 and 1926. GPO.

Chicago Style (17th ed.) Citation

Results of Observations Made at U.S. Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska in 1925 and 1926. [Washington]: GPO, 1925.

MLA (9th ed.) Citation

Results of Observations Made at U.S. Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska in 1925 and 1926. GPO, 1925.