Slippery Rock, Butler County, Pennsylvania, April 1925

Chicago citation style
Sanborn Map Company. Slippery Rock, Butler County, Pennsylvania, April 1925. 1925. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/29884. (Accessed December 14, 2018.)
APA citation style
Sanborn Map Company, (1925) Slippery Rock, Butler County, Pennsylvania, April 1925. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/29884
MLA citation style
Sanborn Map Company. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/29884>.
Note: These citations are programmatically generated and may be incomplete.