APA (7th ed.) Citation

Flanagan, W. A. (2012). VoIP and unified communications: Internet telephony and the future voice network. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Flanagan, William A. VoIP and Unified Communications: Internet Telephony and the Future Voice Network. Hoboken, NJ: John Wiley & Sons, 2012.

MLA (8th ed.) Citation

Flanagan, William A. VoIP and Unified Communications: Internet Telephony and the Future Voice Network. John Wiley & Sons, 2012.