Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Vieques, Porto Rico

Chicago citation style
Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Vieques, Porto Rico. 1909-. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000889482. (Accessed December 14, 2018.)
APA citation style
(1909-) Results of observations made at the Coast and Geodetic Survey Magnetic Observatory at Vieques, Porto Rico. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/000889482
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/000889482>.
Note: These citations are programmatically generated and may be incomplete.