APA (7th ed.) Citation

Stewart, J. M. (2011). Network security firewalls and VPNs. Jones & Bartlett Learning.

Chicago Style (17th ed.) Citation

Stewart, James Michael. Network Security Firewalls and VPNs. Sudbury, MA: Jones & Bartlett Learning, 2011.

MLA (9th ed.) Citation

Stewart, James Michael. Network Security Firewalls and VPNs. Jones & Bartlett Learning, 2011.