Cita APA (7a ed.)

Davidson, J., Peters, J., & Gracely, B. (2000). Voice over IP fundamentals. Cisco Press.

Cita Chicago Style (17a ed.)

Davidson, Jonathan, James Peters, y Brian Gracely. Voice over IP Fundamentals. Indianapolis, IN: Cisco Press, 2000.

Cita MLA (8a ed.)

Davidson, Jonathan, et al. Voice over IP Fundamentals. Cisco Press, 2000.