APA (7th ed.) Citation

ZieglerlhRobert L & Consentine. Linux firewall (2nd ed.).

Chicago Style (17th ed.) Citation

ZieglerlhRobert L and Consentine. Linux Firewall. 2nd ed. Bostonlbnew riders Publishinglc2002.

MLA (9th ed.) Citation

ZieglerlhRobert L and Consentine. Linux Firewall. 2nd ed.

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