Popper, K. (1994). The Poverty of Historicism. Routledge.
Cita Chicago (17th ed.)Popper, Karl. The Poverty of Historicism. London: Routledge, 1994.
Cita MLA (9th ed.)Popper, Karl. The Poverty of Historicism. Routledge, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.