APA (7th ed.) Citation

Goncalves. (1999). Firewalls: A complete guide. Osborne Media Group.

Chicago Style (17th ed.) Citation

Goncalves. Firewalls: A Complete Guide. London: Osborne Media Group, 1999.

MLA (8th ed.) Citation

Goncalves. Firewalls: A Complete Guide. Osborne Media Group, 1999.

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