APA (7th ed.) Citation

Schilpp, P. A. (1974). The philosophy of Karl Popper. Open Court.

Chicago Style (17th ed.) Citation

Schilpp, Paul Arthur. The Philosophy of Karl Popper. La Salle, Ill: Open Court, 1974.

MLA (9th ed.) Citation

Schilpp, Paul Arthur. The Philosophy of Karl Popper. Open Court, 1974.

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