Cita APA

Pólya, G. (1945). How to solve it: A new aspect of mathematical method Princeton University Press.

Citación estilo Chicago

Pólya, George. How to Solve It: A New Aspect of Mathematical Method. 7th printing. Princeton, New Jersey: Princeton University Press, 1945.

Cita MLA

Pólya, George. How to Solve It: A New Aspect of Mathematical Method. 7th printing. Princeton, New Jersey: Princeton University Press, 1945.