Atlas of Philadelphia and Environs, Page 6

Chicago citation style
G.M. Hopkins, C.E. Atlas of Philadelphia and Environs, Page 6. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MGMHAC00004A. (Accessed December 19, 2018.)
APA citation style
G.M. Hopkins, C.E, Atlas of Philadelphia and Environs, Page 6. Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MGMHAC00004A
MLA citation style
G.M. Hopkins, C.E. Retrieved from the Digital Public Library of America <http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MGMHAC00004A>.
Note: These citations are programmatically generated and may be incomplete.