Russell & Bertrand. (1992). Theory of Knowledge: The 1913 Manuscript. Routledge.
Cita Chicago (17th ed.)Russell i Bertrand. Theory of Knowledge: The 1913 Manuscript. London: Routledge, 1992.
Cita MLA (9th ed.)Russell i Bertrand. Theory of Knowledge: The 1913 Manuscript. Routledge, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.