Cita APA (7a ed.)

Cioara, J. A., Coffin, M., Hartmann, D., & Wallace, K. (2007). Authorized self-study guide: Cisco IP Telephony (CIPT (2nd ed.). Cisco Press.

Cita Chicago Style (17a ed.)

Cioara, Jeremy Author, Michael Coffin, Dennis Hartmann, y Kevin Wallace. Authorized Self-study Guide: Cisco IP Telephony (CIPT. 2nd ed. [Place of publication not identified]: Cisco Press, 2007.

Cita MLA (9a ed.)

Cioara, Jeremy Author, et al. Authorized Self-study Guide: Cisco IP Telephony (CIPT. 2nd ed. Cisco Press, 2007.