Train manufacturing machinery

Chicago citation style
Unknown. Train manufacturing machinery. 1968-02. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1287. (Accessed December 19, 2018.)
APA citation style
Unknown, (1968-02) Train manufacturing machinery. Retrieved from the Digital Public Library of America, http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1287
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digital.library.temple.edu/cdm/ref/collection/p15037coll3/id/1287>.
Note: These citations are programmatically generated and may be incomplete.