Cita APA (7a ed.)
Popper, K. R. (1962). The open society and its enemies. Harper Torchbooks.
Cita Chicago Style (17a ed.)
Popper, Karl R. The Open Society and Its Enemies. New York: Harper Torchbooks, 1962.
Cita MLA (9a ed.)
Popper, Karl R. The Open Society and Its Enemies. Harper Torchbooks, 1962.
Precaución: Estas citas no son 100% exactas.