Sterling Precision Simplex Slide Rule

Chicago citation style
Sterling Plastics. Sterling Precision Simplex Slide Rule. 1961-1972. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1215008&repo=DPLA. (Accessed November 17, 2018.)
APA citation style
Sterling Plastics, (1961-1972) Sterling Precision Simplex Slide Rule. Retrieved from the Digital Public Library of America, http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1215008&repo=DPLA
MLA citation style
Sterling Plastics. Retrieved from the Digital Public Library of America <http://collections.si.edu/search/results.htm?q=record_ID%3Anmah_1215008&repo=DPLA>.
Note: These citations are programmatically generated and may be incomplete.