APA-Zitierstil (7. Ausg.)

Popper, K. R. (1991). The open society and its enemies (5. ed. (rev.), reprinted.). Princeton Univ. Press.

Chicago-Zitierstil (17. Ausg.)

Popper, Karl R. The Open Society and Its Enemies. 5. ed. (rev.), reprinted. Princeton, NJ: Princeton Univ. Press, 1991.

MLA-Zitierstil (9. Ausg.)

Popper, Karl R. The Open Society and Its Enemies. 5. ed. (rev.), reprinted. Princeton Univ. Press, 1991.