APA (7th ed.) Citation

Hersent, O., Petit, J., & Gurle, D. (2004). IP telephony : deploying voice-over IP protocols / Olivier Hersent, Jean-Pierre Petit, and David Gurle: Deploying voice-over IP protocols. Wiley.

Chicago Style (17th ed.) Citation

Hersent, Olivier, Jean-Pierre Petit, and David Gurle. IP Telephony : Deploying Voice-over IP Protocols / Olivier Hersent, Jean-Pierre Petit, and David Gurle: Deploying Voice-over IP Protocols. Chichester: Wiley, 2004.

MLA (9th ed.) Citation

Hersent, Olivier, et al. IP Telephony : Deploying Voice-over IP Protocols / Olivier Hersent, Jean-Pierre Petit, and David Gurle: Deploying Voice-over IP Protocols. Wiley, 2004.

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