APA (7th ed.) Citation

Hersent, O., Petit, J., & Gurle, D. (2005). Beyond VoIP protocols: Understanding voice technology and networking techniques for IP telephony. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Hersent, Olivier, Jean-Pierre Petit, and David Gurle. Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony. Hoboken, NJ: John Wiley & Sons, 2005.

MLA (8th ed.) Citation

Hersent, Olivier, et al. Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony. John Wiley & Sons, 2005.

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