APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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