APA (7th ed.) Citation

Gupta , P. C., & Sawyer, S. (1998). Data Communications.

Chicago Style (17th ed.) Citation

Gupta , Prakash C., and Stacey Sawyer. Data Communications. Prentice Hall Of India, 1998.

MLA (9th ed.) Citation

Gupta , Prakash C., and Stacey Sawyer. Data Communications. 1998.