Cita APA

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

Citación estilo Chicago

Pólya, George. How to Solve It: A New Aspect of Mathematical Method. 2a. ed. Princeton: Princeton University, 1957.

Cita MLA

Pólya, George. How to Solve It: A New Aspect of Mathematical Method. 2a. ed. Princeton University, 1957.

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