APA (7th ed.) Citation

Firestone, S., Ramalingam, T., & Fry, S. (2007). Voice and video conferencing fundamentals. Cisco Press.

Chicago Style (17th ed.) Citation

Firestone, Scott, Thiya Ramalingam, and Steve Fry. Voice and Video Conferencing Fundamentals. Indianapolis: Cisco Press, 2007.

MLA (9th ed.) Citation

Firestone, Scott, et al. Voice and Video Conferencing Fundamentals. Cisco Press, 2007.