Optical character recognition (OCR) inks : category, hardware standard; subcategory, character recognition

Chicago citation style
United States. National Bureau of Standards. Optical character recognition (OCR) inks : category, hardware standard; subcategory, character recognition. 1980. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394546. (Accessed December 16, 2018.)
APA citation style
United States. National Bureau of Standards, (1980) Optical character recognition (OCR) inks : category, hardware standard; subcategory, character recognition. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011394546
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011394546>.
Note: These citations are programmatically generated and may be incomplete.