Cita APA (7a ed.)

Valentine, M. A., Whitaker, A. C., & Barker, K. C. (2013). Cisco CCNA - Routing and Switching 200-120 (4th ed.). Cisco Press.

Cita Chicago Style (17a ed.)

Valentine, Michael Author, Andrew Contributor Whitaker, y Keith Contributor Barker. Cisco CCNA - Routing and Switching 200-120. 4th ed. [Place of publication not identified]: Cisco Press, 2013.

Cita MLA (9a ed.)

Valentine, Michael Author, et al. Cisco CCNA - Routing and Switching 200-120. 4th ed. Cisco Press, 2013.