APA (7th ed.) Citation

Levison, M., & Sentance, W. A. (1969). Introduction to computer science. Gordon and Breach.

Chicago Style (17th ed.) Citation

Levison, Michael, and W. A. Sentance. Introduction to Computer Science. New York: Gordon and Breach, 1969.

MLA (9th ed.) Citation

Levison, Michael, and W. A. Sentance. Introduction to Computer Science. Gordon and Breach, 1969.