Polya, G., & Conway, J. H. (1985). How to solve it: A new aspect of mathematical method (2nd ed.). PHI.
Chicago Edition CitationPolya, George, and John Horton Conway. How to Solve It: A New Aspect of Mathematical Method. 2nd ed. New Delhi: PHI, 1985.
MLA Edition CitationPolya, George, and John Horton Conway. How to Solve It: A New Aspect of Mathematical Method. 2nd ed. PHI, 1985.
Warning: These citations may not always be 100% accurate.