Cita APA (7th ed.)

Popper, S. K. R. (1966). The open society and its enemies (5th rev. ed.). Princeton University Press.

Cita Chicago (17th ed.)

Popper, Sir Karl Raimund. The Open Society and Its Enemies. 5th rev. ed. New Jersey: Princeton University Press, 1966.

Cita MLA (9th ed.)

Popper, Sir Karl Raimund. The Open Society and Its Enemies. 5th rev. ed. Princeton University Press, 1966.