APA (7th ed.) Citation

Pólya, G. (1957). How to solve it : a new aspect of mathematical method / G. Pólya: A new aspect of mathematical method (2nd ed.). Princeton U.P.

Chicago Style (17th ed.) Citation

Pólya, George. How to Solve It : A New Aspect of Mathematical Method / G. Pólya: A New Aspect of Mathematical Method. 2nd ed. Princeton, N.J.: Princeton U.P, 1957.

MLA (9th ed.) Citation

Pólya, George. How to Solve It : A New Aspect of Mathematical Method / G. Pólya: A New Aspect of Mathematical Method. 2nd ed. Princeton U.P, 1957.

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