APA Citation
G.M. Hopkins & Co. - Publisher.
Map of Philadelphia [horse car routes], 1875, Map. [Transportation Maps]. Retrieved from
https://libwww.freelibrary.org/digital/item/65449
MLA Citation
G.M. Hopkins & Co. - Publisher.
Map of Philadelphia [horse car routes], 1875, Map. Transportation Maps.
Free Library of Philadelphia: Philadelphia, PA.
https://libwww.freelibrary.org/digital/item/65449. (accessed Feb 16, 2019)