Cita APA (7th ed.)
ebrary, Inc, Jarvie, I. C., & Pralong, S. (1999). Popper's Open society after fifty years: The continuing relevance of Karl Popper. Routledge.
Cita Chicago (17th ed.)
ebrary, Inc, I. C. Jarvie, i Sandra Pralong. Popper's Open Society After Fifty Years: The Continuing Relevance of Karl Popper. London ; New York: Routledge, 1999.
Cita MLA (9th ed.)
ebrary, Inc, et al. Popper's Open Society After Fifty Years: The Continuing Relevance of Karl Popper. Routledge, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.