APA (7th ed.) Citation

Swale, R., & Collins, D. (2014). Carrier-grade VoIP (Third edition.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Swale, Richard, and Daniel Collins. Carrier-grade VoIP. Third edition. New York: McGraw-Hill, 2014.

MLA (9th ed.) Citation

Swale, Richard, and Daniel Collins. Carrier-grade VoIP. Third edition. McGraw-Hill, 2014.