Cita APA (7a ed.)

Purdy, G. N. (2004). Linux iptables: Pocket reference (1st edition.). O'Reilly Media.

Cita Chicago Style (17a ed.)

Purdy, Gregor N. Linux Iptables: Pocket Reference. 1st edition. Sebastopol, Calif.: O'Reilly Media, 2004.

Cita MLA (9a ed.)

Purdy, Gregor N. Linux Iptables: Pocket Reference. 1st edition. O'Reilly Media, 2004.