Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska

Chicago citation style
U.S. Coast and Geodetic Survey. Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska. 1909-. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/012406954. (Accessed November 21, 2018.)
APA citation style
U.S. Coast and Geodetic Survey, (1909-) Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Sitka, Alaska. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/012406954
MLA citation style
U.S. Coast and Geodetic Survey. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/012406954>.
Note: These citations are programmatically generated and may be incomplete.