Cita APA (7a ed.)

Safari Tech Books Online & Benjamin, H. A. (2003). CCIE security exam certification guide (1st edition.). Cisco.

Cita Chicago Style (17a ed.)

Safari Tech Books Online y Henry Author Benjamin. CCIE Security Exam Certification Guide. 1st edition. [Place of publication not identified]: Cisco, 2003.

Cita MLA (9a ed.)

Safari Tech Books Online y Henry Author Benjamin. CCIE Security Exam Certification Guide. 1st edition. Cisco, 2003.