Pennsylvania Railroad 6840 train

Chicago citation style
Zahn, Frank G., 1925-2008. Pennsylvania Railroad 6840 train. 1957-08-22. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p16002coll26/id/4275. (Accessed September 26, 2018.)
APA citation style
Zahn, Frank G., 1925-2008, (1957-08-22) Pennsylvania Railroad 6840 train. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p16002coll26/id/4275
MLA citation style
Zahn, Frank G., 1925-2008. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p16002coll26/id/4275>.
Note: These citations are programmatically generated and may be incomplete.