Cita APA (7th ed.)

Russell, B. R. 3. e. (1997). The problems of philosophy. Oxford University Press.

Cita Chicago (17th ed.)

Russell, Bertrand Russell 3rd earl. The Problems of Philosophy. New York: Oxford University Press, 1997.

Cita MLA (9th ed.)

Russell, Bertrand Russell 3rd earl. The Problems of Philosophy. Oxford University Press, 1997.