APA Citation

Ziegler, R. L., & Constantine, C. B. (2001). Linux firewalls (2. edition.). Indianapolis, Indiana: New Riders.

Chicago Style Citation

Ziegler, Robert L., and Carl B. Constantine. Linux Firewalls. 2. edition. Indianapolis, Indiana: New Riders, 2001.

MLA Citation

Ziegler, Robert L., and Carl B. Constantine. Linux Firewalls. 2. edition. Indianapolis, Indiana: New Riders, 2001.

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