Cita APA (7a ed.)

Popper, K. (1962). The open society and its enemies. Routledge & Kegan.

Cita Chicago Style (17a ed.)

Popper, K.R. The Open Society and Its Enemies. London: Routledge & Kegan, 1962.

Cita MLA (9a ed.)

Popper, K.R. The Open Society and Its Enemies. Routledge & Kegan, 1962.