National Security Archive (U.S.). (2014). Electronic surveillance and the National Security Agency: From Shamrock to Snowden. ProQuest ; National Security Archive.
Chicago Style (17th ed.) CitationNational Security Archive (U.S.). Electronic Surveillance and the National Security Agency: From Shamrock to Snowden. [Ann Arbor, Mich.] : Washington, D.C.: ProQuest ; National Security Archive, 2014.
MLA (8th ed.) CitationNational Security Archive (U.S.). Electronic Surveillance and the National Security Agency: From Shamrock to Snowden. ProQuest ; National Security Archive, 2014.
Warning: These citations may not always be 100% accurate.