APA (7th ed.) Citation

BLACK, U. (2002). Voice over IP. Prentice Hall.

Chicago Style (17th ed.) Citation

BLACK, Uyless. Voice over IP. Prentice Hall, 2002.

MLA (8th ed.) Citation

BLACK, Uyless. Voice over IP. Prentice Hall, 2002.

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