APA (7th ed.) Citation

Barnes, R. (2011). VoIP emergency calling: Foundations and practice. Wiley.

Chicago Style (17th ed.) Citation

Barnes, Richard. VoIP Emergency Calling: Foundations and Practice. Chichester, West Sussex, U.K: Wiley, 2011.

MLA (9th ed.) Citation

Barnes, Richard. VoIP Emergency Calling: Foundations and Practice. Wiley, 2011.

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