APA (7th ed.) Citation

Walters, R. (1999). Computer telephony integration (2nd ed.). Artech House.

Chicago Style (17th ed.) Citation

Walters, Rob. Computer Telephony Integration. 2nd ed. Boston, MA: Artech House, 1999.

MLA (9th ed.) Citation

Walters, Rob. Computer Telephony Integration. 2nd ed. Artech House, 1999.

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