Gleason, A. M., Greenwood, R. E., & Kelly, L. M. (1980). The William Lowell Putnam Mathematical Competition problems and solutions: 1938-1964. Mathematical Association of America.
Chicago Style (17th ed.) CitationGleason, Andrew M., R. E. Greenwood, and L. M. Kelly. The William Lowell Putnam Mathematical Competition Problems and Solutions: 1938-1964. Washington, D. C.: Mathematical Association of America, 1980.
MLA (9th ed.) CitationGleason, Andrew M., et al. The William Lowell Putnam Mathematical Competition Problems and Solutions: 1938-1964. Mathematical Association of America, 1980.
Warning: These citations may not always be 100% accurate.