Map Showing Boston and its Environs and Harbor, with the Rebels Works Raised Against that Town in 1775

Chicago citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947. Map Showing Boston and its Environs and Harbor, with the Rebels Works Raised Against that Town in 1775. 1778-10-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17369895. (Accessed May 20, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947, (1778-10-01) Map Showing Boston and its Environs and Harbor, with the Rebels Works Raised Against that Town in 1775. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17369895
MLA citation style
War Department. Office of the Chief of Engineers. 1818-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17369895>.
Note: These citations are programmatically generated and may be incomplete.