APA (7th ed.) Citation

Popper, K. R. S. (1963). The open society and its enemies ([4th ed. rev.].). Princeton University Press.

Chicago Style (17th ed.) Citation

Popper, Karl Raimund Sir. The Open Society and Its Enemies. [4th ed. rev.]. Princeton, N.J: Princeton University Press, 1963.

MLA (9th ed.) Citation

Popper, Karl Raimund Sir. The Open Society and Its Enemies. [4th ed. rev.]. Princeton University Press, 1963.