200 mm (8 in) flexible disk cartridge track format using two-frequency recording at 6631 bprad on one side - 1.9 tpmm (48 tpi) for information interchange /

Chicago citation style
United States. National Bureau of Standards. 200 mm (8 in) flexible disk cartridge track format using two-frequency recording at 6631 bprad on one side - 1.9 tpmm (48 tpi) for information interchange /. 1985. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394642. (Accessed December 15, 2018.)
APA citation style
United States. National Bureau of Standards, (1985) 200 mm (8 in) flexible disk cartridge track format using two-frequency recording at 6631 bprad on one side - 1.9 tpmm (48 tpi) for information interchange /. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394642
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394642>.
Note: These citations are programmatically generated and may be incomplete.