Lewisburg, Union County, Pennsylvania, June 1913.

Chicago citation style
Sanborn Map Company. Lewisburg, Union County, Pennsylvania, June 1913.. 1913. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/12164. (Accessed December 18, 2018.)
APA citation style
Sanborn Map Company, (1913) Lewisburg, Union County, Pennsylvania, June 1913.. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/12164
MLA citation style
Sanborn Map Company. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/12164>.
Note: These citations are programmatically generated and may be incomplete.