APA (7th ed.) Citation

Keegel, J. C. (1976). The language of computer programming in English. Regents Pub.

Chicago Style (17th ed.) Citation

Keegel, John C. The Language of Computer Programming in English. New York: Regents Pub, 1976.

MLA (9th ed.) Citation

Keegel, John C. The Language of Computer Programming in English. Regents Pub, 1976.