Cita APA (7a ed.)

Cisco Systems. (1999). Cisco IOS 12.0 configuration fundamentals. Cisco Press.

Cita Chicago Style (17a ed.)

Cisco Systems. Cisco IOS 12.0 Configuration Fundamentals. Indianapolis, IN: Cisco Press, 1999.

Cita MLA (9a ed.)

Cisco Systems. Cisco IOS 12.0 Configuration Fundamentals. Cisco Press, 1999.