APA (7th ed.) Citation

Held, G., & Hundley, K. (1999). Cisco security architecture. McGraw-Hill.

Chicago Style (17th ed.) Citation

Held, Gilbert, and Kent Hundley. Cisco Security Architecture. New York: McGraw-Hill, 1999.

MLA (8th ed.) Citation

Held, Gilbert, and Kent Hundley. Cisco Security Architecture. McGraw-Hill, 1999.