APA (7th ed.) Citation

(1999). Cisco IOS 12.0 network security: [documentation from the Cisco IOS Reference Library]. Cisco Press.

Chicago Style (17th ed.) Citation

Cisco IOS 12.0 Network Security: [documentation from the Cisco IOS Reference Library]. Indianapolis, Ind: Cisco Press, 1999.

MLA (9th ed.) Citation

Cisco IOS 12.0 Network Security: [documentation from the Cisco IOS Reference Library]. Cisco Press, 1999.