APA (7th ed.) Citation

Black lhUyless D. & Franz. Voice over IP.

Chicago Style (17th ed.) Citation

Black lhUyless D. and Franz. Voice over IP. New Jersey lbPrentice Hall lc1999.

MLA (9th ed.) Citation

Black lhUyless D. and Franz. Voice over IP.

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