Optical character recognition (OCR)--Dot matrix character sets for OCR-MA

Chicago citation style
United States. National Bureau of Standards. Optical character recognition (OCR)--Dot matrix character sets for OCR-MA. [1987]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394521. (Accessed December 10, 2018.)
APA citation style
United States. National Bureau of Standards, ([1987]) Optical character recognition (OCR)--Dot matrix character sets for OCR-MA. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394521
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394521>.
Note: These citations are programmatically generated and may be incomplete.