Burke, C. B. (2002). It wasn't all magic: The early struggle to automate cryptanalysis, 1930s-1960s. Center for Cryptologic History, National Security Agency.
Chicago Style (17th ed.) CitationBurke, Colin B. It Wasn't All Magic: The Early Struggle to Automate Cryptanalysis, 1930s-1960s. [Fort Meade, Md.]: Center for Cryptologic History, National Security Agency, 2002.
MLA (9th ed.) CitationBurke, Colin B. It Wasn't All Magic: The Early Struggle to Automate Cryptanalysis, 1930s-1960s. Center for Cryptologic History, National Security Agency, 2002.
Warning: These citations may not always be 100% accurate.