Cita APA (7a ed.)

Deal, R. A. (2005). Cisco router firewall security (1st edition.). Cisco Press.

Cita Chicago Style (17a ed.)

Deal, Richard A. Cisco Router Firewall Security. 1st edition. Indianapolis, Ind.: Cisco Press, 2005.

Cita MLA (9a ed.)

Deal, Richard A. Cisco Router Firewall Security. 1st edition. Cisco Press, 2005.