Hewlett-Packard HP-33C Handheld Electronic Calculator

Chicago citation style
Hewlett-Packard Company. Hewlett-Packard HP-33C Handheld Electronic Calculator. 1980. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214334&repo=DPLA. (Accessed November 13, 2018.)
APA citation style
Hewlett-Packard Company, (1980) Hewlett-Packard HP-33C Handheld Electronic Calculator. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214334&repo=DPLA
MLA citation style
Hewlett-Packard Company. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214334&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.