APA (7th ed.) Citation

Held, G., & Sarch, R. (1983). Data communications: A comprehensive approach. Data Communications.

Chicago Style (17th ed.) Citation

Held, Gilbert, and Ray Sarch. Data Communications: A Comprehensive Approach. New York, N.Y: Data Communications, 1983.

MLA (9th ed.) Citation

Held, Gilbert, and Ray Sarch. Data Communications: A Comprehensive Approach. Data Communications, 1983.