Polya, G. (1981). Mathematical discovery: On understanding, learning and teaching problem solving. John Wiley & Sons.
Chicago Style (17th ed.) CitationPolya, George. Mathematical Discovery: On Understanding, Learning and Teaching Problem Solving. New York: John Wiley & Sons, 1981.
MLA (8th ed.) CitationPolya, George. Mathematical Discovery: On Understanding, Learning and Teaching Problem Solving. John Wiley & Sons, 1981.
Warning: These citations may not always be 100% accurate.