APA Citation

Polya, G. (1957). How to Solve it: A new aspect of methematical method. Princeton University Press.

Chicago Style Citation

Polya, G. How to Solve It: A New Aspect of Methematical Method. Princeton University Press, 1957.

MLA Citation

Polya, G. How to Solve It: A New Aspect of Methematical Method. Princeton University Press, 1957.

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