APA (7th ed.) Citation

Held, G. (2004). Virtual private networking: A construction, operation and utilization guide. John Wiley.

Chicago Style (17th ed.) Citation

Held, Gilbert. Virtual Private Networking: A Construction, Operation and Utilization Guide. Chichester: John Wiley, 2004.

MLA (9th ed.) Citation

Held, Gilbert. Virtual Private Networking: A Construction, Operation and Utilization Guide. John Wiley, 2004.