APA (7th ed.) Citation

P�olya, G. (1985). How to solve it: A new aspect of mathematical method (2nd ed.). Princeton University Press.

Chicago Style (17th ed.) Citation

P�olya, George. How to Solve It: A New Aspect of Mathematical Method. 2nd ed. Princeton, N.J.: Princeton University Press, 1985.

MLA (9th ed.) Citation

P�olya, George. How to Solve It: A New Aspect of Mathematical Method. 2nd ed. Princeton University Press, 1985.