Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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