APA Edition Citation

Polya, G. (2001). How to solve it: Anew aspect of mathematical method (2nd ed.). PHI.

Chicago Edition Citation

Polya, G. How to Solve It: Anew Aspect of Mathematical Method. 2nd ed. PHI, 2001.

MLA Edition Citation

Polya, G. How to Solve It: Anew Aspect of Mathematical Method. 2nd ed. PHI, 2001.

Warning: These citations may not always be 100% accurate.