Magnetic tape cassettes for information interchange : (3.810 mm [0.150 in] tape at 32 bpmm [800 bpi], PE)

Chicago citation style
United States. National Bureau of Standards. Magnetic tape cassettes for information interchange : (3.810 mm [0.150 in] tape at 32 bpmm [800 bpi], PE). 1978. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394542. (Accessed December 13, 2018.)
APA citation style
United States. National Bureau of Standards, (1978) Magnetic tape cassettes for information interchange : (3.810 mm [0.150 in] tape at 32 bpmm [800 bpi], PE). Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394542
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394542>.
Note: These citations are programmatically generated and may be incomplete.