Cita APA (7a ed.)

Vachon, B., & Graziani, R. (2008). Accessing the WAN: CCNA exploration companion guide. Cisco Press.

Cita Chicago Style (17a ed.)

Vachon, Bob, y Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Indianapolis, Ind.: Cisco Press, 2008.

Cita MLA (8a ed.)

Vachon, Bob, y Rick Graziani. Accessing the WAN: CCNA Exploration Companion Guide. Cisco Press, 2008.