Cite

Stanford's map of the countries round the North Pole.

MLA

Stanford, Edward, 1827-1904. Stanford's map of the countries round the North Pole.. April 19th. 1875.. https://collections.library.yale.edu/catalog/16670937.

APA, 6th edition

Stanford, Edward, 1827-1904. (April 19th. 1875.)[Stanford's map of the countries round the North Pole.]. https://collections.library.yale.edu/catalog/16670937.