Natrona, Allegheny Co., Pennsylvania, October 1906

Chicago citation style
Sanborn Map Company. Natrona, Allegheny Co., Pennsylvania, October 1906. 1906. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/15266. (Accessed December 16, 2018.)
APA citation style
Sanborn Map Company, (1906) Natrona, Allegheny Co., Pennsylvania, October 1906. Retrieved from the Digital Public Library of America, http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/15266
MLA citation style
Sanborn Map Company. Retrieved from the Digital Public Library of America <http://digital.libraries.psu.edu/cdm/ref/collection/maps1/id/15266>.
Note: These citations are programmatically generated and may be incomplete.