APA (7th ed.) Citation

HELD, G. (2004). Virtual private networking. John Wiley & Sons.

Chicago Style (17th ed.) Citation

HELD, Gilbert. Virtual Private Networking. John Wiley & Sons, 2004.

MLA (8th ed.) Citation

HELD, Gilbert. Virtual Private Networking. John Wiley & Sons, 2004.

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