Birdsboro, Berks County, Pennsylvania, December 1927

Chicago citation style
Sanborn Map Company. Birdsboro, Berks County, Pennsylvania, December 1927. 1927. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/26070. (Accessed December 16, 2018.)
APA citation style
Sanborn Map Company, (1927) Birdsboro, Berks County, Pennsylvania, December 1927. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/26070
MLA citation style
Sanborn Map Company. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/26070>.
Note: These citations are programmatically generated and may be incomplete.