Pennsylvania illustrated: a general sketch of the state; its scenery, history and industries...

Chicago citation style
Pennsylvania illustrated: a general sketch of the state; its scenery, history and industries.... [1874]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009591547. (Accessed March 30, 2020.)
APA citation style
([1874]) Pennsylvania illustrated: a general sketch of the state; its scenery, history and industries.... Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/009591547
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/009591547>.
Note: These citations are programmatically generated and may be incomplete.