Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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