APA (7th ed.) Citation

Popper, K. R. (1971). The open society and its enemies: I, The spell of Plato. Princeton University Press.

Chicago Style (17th ed.) Citation

Popper, Karl Raimund. The Open Society and Its Enemies: I, The Spell of Plato. Princeton: Princeton University Press, 1971.

MLA (9th ed.) Citation

Popper, Karl Raimund. The Open Society and Its Enemies: I, The Spell of Plato. Princeton University Press, 1971.