Cita APA (7a ed.)

Akin, T. (2002). Hardening Cisco routers. O'Reilly.

Cita Chicago Style (17a ed.)

Akin, Thomas. Hardening Cisco Routers. Beijing ; Sebastopol: O'Reilly, 2002.

Cita MLA (8a ed.)

Akin, Thomas. Hardening Cisco Routers. O'Reilly, 2002.