Cita APA (7a ed.)

Lewis, C. I. (1950). An Analysis of knowledge and valuation. The Open Court.

Cita Chicago Style (17a ed.)

Lewis, Clarence Irving. An Analysis of Knowledge and Valuation. Illinois: The Open Court, 1950.

Cita MLA (9a ed.)

Lewis, Clarence Irving. An Analysis of Knowledge and Valuation. The Open Court, 1950.