Recorded magnetic tape cartridge for information interchange, 4-track, 6.30 mm (1/4 in), 63 bpmm (1600 bpi), phase encoded

Chicago citation style
United States. National Bureau of Standards. Recorded magnetic tape cartridge for information interchange, 4-track, 6.30 mm (1/4 in), 63 bpmm (1600 bpi), phase encoded. 1978. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394543. (Accessed December 13, 2018.)
APA citation style
United States. National Bureau of Standards, (1978) Recorded magnetic tape cartridge for information interchange, 4-track, 6.30 mm (1/4 in), 63 bpmm (1600 bpi), phase encoded. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394543
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394543>.
Note: These citations are programmatically generated and may be incomplete.