APA (7th ed.) Citation

Harb, M. (1989). Modern telephony. Prentice Hall.

Chicago Style (17th ed.) Citation

Harb, M. Modern Telephony. Englewood Cliffs, NJ: Prentice Hall, 1989.

MLA (9th ed.) Citation

Harb, M. Modern Telephony. Prentice Hall, 1989.