APA (7th ed.) Citation

Freeman, D. M. (1972). Principles of digital computer operation. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Freeman, David M. Principles of Digital Computer Operation. New York: John Wiley & Sons, 1972.

MLA (8th ed.) Citation

Freeman, David M. Principles of Digital Computer Operation. John Wiley & Sons, 1972.