Perforated tape code for information interchange

Chicago citation style
Perforated tape code for information interchange. [1984]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394596. (Accessed December 19, 2018.)
APA citation style
([1984]) Perforated tape code for information interchange. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394596
MLA citation style
Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394596>.
Note: These citations are programmatically generated and may be incomplete.