APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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