APA (7th ed.) Citation

Northcutt, S., Zeltser, L., Winters, S., Kent, . K., & Ritchey, R. W. (2005). Inside network perimeter security: The definitive guide to firewalls, VPNs, routers, and intrusion detection systems (Second edition.). Sams Publishing.

Chicago Style (17th ed.) Citation

Northcutt, Stephen, Lenny Zeltser, Scott Winters, Karen Kent, and Ronald W. Ritchey. Inside Network Perimeter Security: The Definitive Guide to Firewalls, VPNs, Routers, and Intrusion Detection Systems. Second edition. Indianapolis, IN: Sams Publishing, 2005.

MLA (9th ed.) Citation

Northcutt, Stephen, et al. Inside Network Perimeter Security: The Definitive Guide to Firewalls, VPNs, Routers, and Intrusion Detection Systems. Second edition. Sams Publishing, 2005.

Warning: These citations may not always be 100% accurate.