APA-Zitierstil (7. Ausg.)

Popper, K. R. (1945). The open society and its enemies (First published 1945, reprinted 1947.). George Routledge & Sons.

Chicago-Zitierstil (17. Ausg.)

Popper, Karl R. The Open Society and Its Enemies. First published 1945, reprinted 1947. London: George Routledge & Sons, 1945.

MLA-Zitierstil (9. Ausg.)

Popper, Karl R. The Open Society and Its Enemies. First published 1945, reprinted 1947. George Routledge & Sons, 1945.