Popper, K. (1952). The open society and its enemies (2nd rev. ed.). Routledge & Kegan Paul.
Citazione stile Chigago Style (17a edizione)Popper, K.R. The Open Society and Its Enemies. 2nd rev. ed. London: Routledge & Kegan Paul, 1952.
Citatione MLA (8a ed.)Popper, K.R. The Open Society and Its Enemies. 2nd rev. ed. Routledge & Kegan Paul, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.