APA (7th ed.) Citation

Schantz, H. F. (1982). The history of OCR, optical character recognition. Recognition Technologies Users Association.

Chicago Style (17th ed.) Citation

Schantz, Herbert F. The History of OCR, Optical Character Recognition. [Manchester Center, Vt.]: Recognition Technologies Users Association, 1982.

MLA (9th ed.) Citation

Schantz, Herbert F. The History of OCR, Optical Character Recognition. Recognition Technologies Users Association, 1982.