Polya, G. (1968). Mathematics and plausible reasoning ([2d ed.].). Princeton University Press.
Chicago Style (17th ed.) CitationPolya, George. Mathematics and Plausible Reasoning. [2d ed.]. Princeton, N.J: Princeton University Press, 1968.
MLA (9th ed.) CitationPolya, George. Mathematics and Plausible Reasoning. [2d ed.]. Princeton University Press, 1968.
Warning: These citations may not always be 100% accurate.