APA (7th ed.) Citation

Mairs, J. (2002). VPNs A Beginner's Guide. McGraw Hill.

Chicago Style (17th ed.) Citation

Mairs, John. VPNs A Beginner's Guide. McGraw Hill, 2002.

MLA (8th ed.) Citation

Mairs, John. VPNs A Beginner's Guide. McGraw Hill, 2002.

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