Cita APA (7th ed.)

Andrés, S., & Kenyon, B. (2004). Security sage's guide to hardening the network infrastructure. Syngress.

Cita Chicago (17th ed.)

Andrés, Steven, i Brian Kenyon. Security Sage's Guide to Hardening the Network Infrastructure. Rockland, MA: Syngress, 2004.

Cita MLA (9th ed.)

Andrés, Steven, i Brian Kenyon. Security Sage's Guide to Hardening the Network Infrastructure. Syngress, 2004.