APA (7th ed.) Citation

Wallace, K. C. (2006). Voice over IP first-step. Cisco Press.

Chicago Style (17th ed.) Citation

Wallace, Kevin CCNP. Voice over IP First-step. Indianapolis, Ind.: Cisco Press, 2006.

MLA (8th ed.) Citation

Wallace, Kevin CCNP. Voice over IP First-step. Cisco Press, 2006.

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