Cite

A new map of the Northern States containing the Kingdoms of Sweden, Denmark, and Norway ...

MLA

A New Map of the Northern States Containing the Kingdoms of Sweden, Denmark, and Norway ... Robert Sayer, 1790. https://collections.library.yale.edu/catalog/15352396.

APA, 6th edition

A new map of the Northern States containing the Kingdoms of Sweden, Denmark, and Norway ... (1790). [Maps]. Robert Sayer, https://collections.library.yale.edu/catalog/15352396.