APA (7th ed.) Citation

Hersent, O. (2011). IP telephony: Deploying VoIP protocols and IMS infrastructure (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. 2nd ed. Chichester, West Sussex, England: Wiley, 2011.

MLA (9th ed.) Citation

Hersent, Olivier. IP Telephony: Deploying VoIP Protocols and IMS Infrastructure. 2nd ed. Wiley, 2011.

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