Cita APA (7a ed.)

Hucaby, D. (2007). Cisco ASA, PIX, and FWSM firewall handbook (2nd ed.). Cisco Press.

Cita Chicago Style (17a ed.)

Hucaby, Dave. Cisco ASA, PIX, and FWSM Firewall Handbook. 2nd ed. Indianapolis, Ind.: Cisco Press, 2007.

Cita MLA (8a ed.)

Hucaby, Dave. Cisco ASA, PIX, and FWSM Firewall Handbook. 2nd ed. Cisco Press, 2007.