APA (7th ed.) Citation

(1988). Understanding data communications (2nd ed.). H. W. Sams.

Chicago Style (17th ed.) Citation

Understanding Data Communications. 2nd ed. Indiannapolis, Indiana: H. W. Sams, 1988.

MLA (9th ed.) Citation

Understanding Data Communications. 2nd ed. H. W. Sams, 1988.

Warning: These citations may not always be 100% accurate.