IBM Manual Card Punch

Chicago citation style
IBM. IBM Manual Card Punch. after 1930. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_694437&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
IBM, (after 1930) IBM Manual Card Punch. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_694437&repo=DPLA
MLA citation style
IBM. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_694437&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.