APA (7th ed.) Citation

Popper, K. R. (2003). The open society and its enemies. Routledge.

Chicago Style (17th ed.) Citation

Popper, Karl R. The Open Society and Its Enemies. London: Routledge, 2003.

MLA (8th ed.) Citation

Popper, Karl R. The Open Society and Its Enemies. Routledge, 2003.

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