Cita APA (7a ed.)

Cisco Systems, Inc, & Cisco Systems, I. (1999). Cisco IOS 12.0 quality of service (1st edition.). Cisco Press.

Cita Chicago Style (17a ed.)

Cisco Systems, Inc, y Inc Cisco Systems. Cisco IOS 12.0 Quality of Service. 1st edition. Indianapolis, IN, USA: Cisco Press, 1999.

Cita MLA (9a ed.)

Cisco Systems, Inc, y Inc Cisco Systems. Cisco IOS 12.0 Quality of Service. 1st edition. Cisco Press, 1999.