Sinkov, A., & Irwin, P. L. (1966). Elementary cryptanalysis: A mathematical approach. Mathematical Association of America.
Chicago Style (17th ed.) CitationSinkov, Abraham, and Paul L. Irwin. Elementary Cryptanalysis: A Mathematical Approach. [Washington]: Mathematical Association of America, 1966.
MLA (9th ed.) CitationSinkov, Abraham, and Paul L. Irwin. Elementary Cryptanalysis: A Mathematical Approach. Mathematical Association of America, 1966.
Warning: These citations may not always be 100% accurate.