APA (7th ed.) Citation

Pólya, G., & Szegő, G. (1972). Problems and theorems in analysis. Springer.

Chicago Style (17th ed.) Citation

Pólya, George, and Gábor Szegő. Problems and Theorems in Analysis. Berlin, New York: Springer, 1972.

MLA (9th ed.) Citation

Pólya, George, and Gábor Szegő. Problems and Theorems in Analysis. Springer, 1972.