APA (7th ed.) Citation

Vacca, J. R. (2005). Firewalls: Jumpstart for network and systems administrators. Elsevier Digital.

Chicago Style (17th ed.) Citation

Vacca, John R. Firewalls: Jumpstart for Network and Systems Administrators. Amsterdam: Elsevier Digital, 2005.

MLA (9th ed.) Citation

Vacca, John R. Firewalls: Jumpstart for Network and Systems Administrators. Elsevier Digital, 2005.

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