PA RR: Ohio River Bridge

Chicago citation style
Waddell and Son; Pennsylvania Steel Company. PA RR: Ohio River Bridge. August 1998. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p181901coll1/id/4254. (Accessed June 19, 2018.)
APA citation style
Waddell and Son; Pennsylvania Steel Company, (August 1998) PA RR: Ohio River Bridge. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p181901coll1/id/4254
MLA citation style
Waddell and Son; Pennsylvania Steel Company. Retrieved from the Digital Public Library of America <http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p181901coll1/id/4254>.
Note: These citations are programmatically generated and may be incomplete.