Cita APA (7a ed.)

Noonan, W. J. A., & Dubrawsky, I. C. (2006). Firewall fundamentals (1st edition.). Cisco Press.

Cita Chicago Style (17a ed.)

Noonan, Wesley J Author, y Ido Contributor Dubrawsky. Firewall Fundamentals. 1st edition. [Place of publication not identified]: Cisco Press, 2006.

Cita MLA (9a ed.)

Noonan, Wesley J Author, y Ido Contributor Dubrawsky. Firewall Fundamentals. 1st edition. Cisco Press, 2006.