New map of Boston, comprising the whole city, with the new boundaries of the wards

Chicago citation style
Boynton, George W., d. 1884. New map of Boston, comprising the whole city, with the new boundaries of the wards. 1856. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m137j. (Accessed July 21, 2018.)
APA citation style
Boynton, George W., d. 1884, (1856) New map of Boston, comprising the whole city, with the new boundaries of the wards. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m137j
MLA citation style
Boynton, George W., d. 1884. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cj82m137j>.
Note: These citations are programmatically generated and may be incomplete.