Railroad bridge detail, interior posts and hangers (print number 5320)

Chicago citation style
Railroad bridge detail, interior posts and hangers (print number 5320). 1903. Retrieved from the Digital Public Library of America, http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/379. (Accessed September 21, 2018.)
APA citation style
(1903) Railroad bridge detail, interior posts and hangers (print number 5320). Retrieved from the Digital Public Library of America, http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/379
MLA citation style
Retrieved from the Digital Public Library of America <http://collection1.libraries.psu.edu/cdm/ref/collection/pab/id/379>.
Note: These citations are programmatically generated and may be incomplete.