Thompson, J. W. (1963). Secret diplomacy: Espionage and cryptography, 1500-1815. New York: F. Ungar Pub. Co.
Chicago Style CitationThompson, James Westfall. Secret Diplomacy: Espionage and Cryptography, 1500-1815. New York: F. Ungar Pub. Co, 1963.
MLA CitationThompson, James Westfall. Secret Diplomacy: Espionage and Cryptography, 1500-1815. New York: F. Ungar Pub. Co, 1963.
Warning: These citations may not always be 100% accurate.