West Penn Railways Company reinforced concrete main transmission tower, with workers (print number 5294)

Chicago citation style
West Penn Railways Company reinforced concrete main transmission tower, with workers (print number 5294). Undated. Retrieved from the Digital Public Library of America, http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/253. (Accessed September 19, 2018.)
APA citation style
(Undated) West Penn Railways Company reinforced concrete main transmission tower, with workers (print number 5294). Retrieved from the Digital Public Library of America, http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/253
MLA citation style
Retrieved from the Digital Public Library of America <http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/253>.
Note: These citations are programmatically generated and may be incomplete.