Insurance maps of Philadelphia, Pennsylvania, Vol.5, 1917

Chicago citation style
Sanborn Map Company. Insurance maps of Philadelphia, Pennsylvania, Vol.5, 1917. 1917. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/16843. (Accessed December 9, 2018.)
APA citation style
Sanborn Map Company, (1917) Insurance maps of Philadelphia, Pennsylvania, Vol.5, 1917. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/16843
MLA citation style
Sanborn Map Company. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/16843>.
Note: These citations are programmatically generated and may be incomplete.