Cita APA

Ziegler, R. L. (2000). Linux Firewalls. Indianapolis, Ind: New Riders.

Chicago Style Citation

Ziegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.

Cita MLA

Ziegler, Robert L. Linux Firewalls. Indianapolis, Ind: New Riders, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.