Map of the Vicinity of Philadelphia, from Actual Surveys, 1861, Plate 1-A: Philadelphia (part)

Chicago citation style
D.J. Lake and S.N. Beers. Map of the Vicinity of Philadelphia, from Actual Surveys, 1861, Plate 1-A: Philadelphia (part). Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MLBPAA00001a. (Accessed December 12, 2018.)
APA citation style
D.J. Lake and S.N. Beers, Map of the Vicinity of Philadelphia, from Actual Surveys, 1861, Plate 1-A: Philadelphia (part). Retrieved from the Digital Public Library of America, http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MLBPAA00001a
MLA citation style
D.J. Lake and S.N. Beers. Retrieved from the Digital Public Library of America <http://libwww.freelibrary.org/diglib/searchItem.cfm?itemID=MLBPAA00001a>.
Note: These citations are programmatically generated and may be incomplete.