APA (7th ed.) Citation

U.S. Coast and Geodetic Survey & Hazard, D. L. (1909). Results of observations made at Coast and Geodetic Survey magnetic observatory at: Vieques, Porto Rico, 1903-1904. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

U.S. Coast and Geodetic Survey and Daniel L. Hazard. Results of Observations Made at Coast and Geodetic Survey Magnetic Observatory at: Vieques, Porto Rico, 1903-1904. Washington: U.S. Government Printing Office, 1909.

MLA (9th ed.) Citation

U.S. Coast and Geodetic Survey and Daniel L. Hazard. Results of Observations Made at Coast and Geodetic Survey Magnetic Observatory at: Vieques, Porto Rico, 1903-1904. U.S. Government Printing Office, 1909.