ScienceDirect (Online service), Leeuw, K. d., & Bergstra, J. A. (2007). The history of information security: A comprehensive handbook. Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service), Karl de Leeuw, and J. A. Bergstra. The History of Information Security: A Comprehensive Handbook. Amsterdam ; Oxford: Elsevier, 2007.
MLA (9th ed.) CitationScienceDirect (Online service), et al. The History of Information Security: A Comprehensive Handbook. Elsevier, 2007.
Warning: These citations may not always be 100% accurate.