APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

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