Texas Instruments Programmable 57 Handheld Electronic Calculator

Chicago citation style
Texas Instruments. Texas Instruments Programmable 57 Handheld Electronic Calculator. 1978. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214326&repo=DPLA. (Accessed November 21, 2018.)
APA citation style
Texas Instruments, (1978) Texas Instruments Programmable 57 Handheld Electronic Calculator. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214326&repo=DPLA
MLA citation style
Texas Instruments. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_214326&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.