Salkind, C. T. (1961). The contest problem book I: Annual high shool mathematics examinations 1950-1960. Washington, D. C.: Mathematical Association of America.
Chicago Style CitationSalkind, Charlds T. The Contest Problem Book I: Annual High Shool Mathematics Examinations 1950-1960. Washington, D. C.: Mathematical Association of America, 1961.
MLA CitationSalkind, Charlds T. The Contest Problem Book I: Annual High Shool Mathematics Examinations 1950-1960. Washington, D. C.: Mathematical Association of America, 1961.
Warning: These citations may not always be 100% accurate.