APA (7th ed.) Citation

Polya, G. (1968). Patterns of plausible inference. Princeton University Press.

Chicago Style (17th ed.) Citation

Polya, George. Patterns of Plausible Inference. Princeton, NJ: Princeton University Press, 1968.

MLA (9th ed.) Citation

Polya, George. Patterns of Plausible Inference. Princeton University Press, 1968.