APA (7th ed.) Citation

Hay, A., Giannoulis, P., & Hay, K. (2009). Nokia firewall, VPN, and IPSO configuration guide. Syngress Pub..

Chicago Style (17th ed.) Citation

Hay, Andrew, Peter Giannoulis, and Keli Hay. Nokia Firewall, VPN, and IPSO Configuration Guide. Burlington, MA: Syngress Pub., 2009.

MLA (9th ed.) Citation

Hay, Andrew, et al. Nokia Firewall, VPN, and IPSO Configuration Guide. Syngress Pub., 2009.