Popper, K. R. (1957). The Poverty of historicism (1st published in book form.). Routledge & Kegan Paul.
Cita Chicago Style (17a ed.)Popper, Karl R. The Poverty of Historicism. 1st published in book form. London: Routledge & Kegan Paul, 1957.
Cita MLA (9a ed.)Popper, Karl R. The Poverty of Historicism. 1st published in book form. Routledge & Kegan Paul, 1957.
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