APA (7th ed.) Citation

Caswell, B., & Beale, J. (2004). Snort 2.1 Intrusion Detection, Second Edition (1st edition.). Syngress.

Chicago Style (17th ed.) Citation

Caswell, Brian, and Jay Beale. Snort 2.1 Intrusion Detection, Second Edition. 1st edition. Syngress, 2004.

MLA (9th ed.) Citation

Caswell, Brian, and Jay Beale. Snort 2.1 Intrusion Detection, Second Edition. 1st edition. Syngress, 2004.

Warning: These citations may not always be 100% accurate.