MLA
Webb, D. C. "ECHELON and the NSA." Cyber Warfare and Cyber Terrorism, edited by Lech Janczewski and Andrew Colarik, IGI Global, 2007, pp. 453-468. https://doi.org/10.4018/978-1-59140-991-5.ch053
APA
Webb, D. C. (2007). ECHELON and the NSA. In L. Janczewski & A. Colarik (Eds.), Cyber Warfare and Cyber Terrorism (pp. 453-468). IGI Global. https://doi.org/10.4018/978-1-59140-991-5.ch053
Chicago
Webb, D. C. "ECHELON and the NSA." In Cyber Warfare and Cyber Terrorism, edited by Lech Janczewski and Andrew Colarik, 453-468. Hershey, PA: IGI Global, 2007. https://doi.org/10.4018/978-1-59140-991-5.ch053
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