Cita APA (7a ed.)

Lewis, C., & Pickavance, S. (2006). Selecting MPLS VPN services. Cisco.

Cita Chicago Style (17a ed.)

Lewis, Chris, y Steve Pickavance. Selecting MPLS VPN Services. Indianapolis, Ind.: Cisco, 2006.

Cita MLA (8a ed.)

Lewis, Chris, y Steve Pickavance. Selecting MPLS VPN Services. Cisco, 2006.