Road map of the Boston district showing the metropolitan park system

Chicago citation style
Geo. H. Walker & Co. Road map of the Boston district showing the metropolitan park system. 1900. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/wd3768116. (Accessed June 20, 2018.)
APA citation style
Geo. H. Walker & Co, (1900) Road map of the Boston district showing the metropolitan park system. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/wd3768116
MLA citation style
Geo. H. Walker & Co. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/wd3768116>.
Note: These citations are programmatically generated and may be incomplete.