Cita APA (7a ed.)

Duggan, M., Werve, B. v. d., & De Ghein, L. (2012). CCIE routing and switching v4.0 troubleshooting practice labs. Cisco Press.

Cita Chicago Style (17a ed.)

Duggan, Martin, Bruno van de Werve, y Luc De Ghein. CCIE Routing and Switching V4.0 Troubleshooting Practice Labs. Indianapolis, Ind.: Cisco Press, 2012.

Cita MLA (8a ed.)

Duggan, Martin, et al. CCIE Routing and Switching V4.0 Troubleshooting Practice Labs. Cisco Press, 2012.