A topographical chart of the bay of Narraganset in the province of New England : with all the isles contained therein, among which Rhode Island and Connonicut have been particularly surveyed, shewing the true position & bearings of the banks, shoals, rocks &c. as likewise the soundings: To which have been added the several works & batteries raised by the Americans. Taken by order of the principal farmers on Rhode Island
MLA
Blaskowitz, Charles. A Topographical Chart of the Bay of Narraganset in the Province of New England : with All the Isles Contained Therein, among Which Rhode Island and Connonicut Have Been Particularly Surveyed, Shewing the True Position & Bearings of the Banks, Shoals, Rocks &c. as Likewise the Soundings: To Which Have Been Added the Several Works & Batteries Raised by the Americans. Taken by Order of the Principal Farmers on Rhode Island. Engraved & printed for Wm. Faden, 1777. https://collections.library.yale.edu/catalog/15808936.
APA, 6th edition
Blaskowitz, C. (1777). A topographical chart of the bay of Narraganset in the province of New England : with all the isles contained therein, among which Rhode Island and Connonicut have been particularly surveyed, shewing the true position & bearings of the banks, shoals, rocks &c. as likewise the soundings: To which have been added the several works & batteries raised by the Americans. Taken by order of the principal farmers on Rhode Island [Maps, Early works to 1800, Early maps]. Engraved & printed for Wm. Faden. https://collections.library.yale.edu/catalog/15808936.