APA (7th ed.) Citation

Beale, J., Foster, J. C., Posluns, J., & Caswell, B. (2003). Snort 2.0 intrusion detection. Syngress.

Chicago Style (17th ed.) Citation

Beale, Jay, James C. Foster, Jeffrey Posluns, and Brian Caswell. Snort 2.0 Intrusion Detection. Rockland, MA: Syngress, 2003.

MLA (9th ed.) Citation

Beale, Jay, et al. Snort 2.0 Intrusion Detection. Syngress, 2003.