APA Style

Caswell, B, , B, J, , F, J, C, , P, J. (2003). Snort 2.0 Intrusion Detection (1st Edition). Burlington, MA, USA: Syngress Publishing.

MLA Style

Caswell, Brian, , Beale,, Jay, , Foster,, James, C., , Posluns,, Jeffrey. "Snort 2.0 Intrusion Detection". 1st Edition Burlington, MA, USA: Syngress Publishing, 2003. Text.