APA (7th ed.) Citation

Hersent, O. (2011). IP telephony: Deploying VoIP protocols and IMS infrastructure (Second edition.). Wiley.

Chicago Style (17th ed.) Citation

Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. Second edition. Hoboken, NJ: Wiley, 2011.

MLA (9th ed.) Citation

Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. Second edition. Wiley, 2011.

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