APA (7th ed.) Citation
ebrary, Inc, Cantrell, C., Henmi, A., Lucas, M., & Singh, A. (2006). Firewall policies and VPN configurations. Syngress.
Chicago Style (17th ed.) Citation
ebrary, Inc, Chris Cantrell, Anne Henmi, Mark Lucas, and Abhishek Singh. Firewall Policies and VPN Configurations. Rockland, MA: Syngress, 2006.
MLA (9th ed.) Citation
ebrary, Inc, et al. Firewall Policies and VPN Configurations. Syngress, 2006.
Warning: These citations may not always be 100% accurate.