Northcutt, S. (2004). Snort 2.1 Intrusion detection (2nd ed.). Syngress.
Chicago Style (17th ed.) CitationNorthcutt, Stephen. Snort 2.1 Intrusion Detection. 2nd ed. Rockland, MA.: Syngress, 2004.
MLA (8th ed.) CitationNorthcutt, Stephen. Snort 2.1 Intrusion Detection. 2nd ed. Syngress, 2004.
Warning: These citations may not always be 100% accurate.