Cita APA (7a ed.)

Russell, B. 3. E., & Pigden, C. (1999). Russell on ethics: Selections from the writings of Bertrand Russell. Routledge.

Cita Chicago Style (17a ed.)

Russell, Bertrand 3rd Earl, y Charles Pigden. Russell on Ethics: Selections from the Writings of Bertrand Russell. London: Routledge, 1999.

Cita MLA (9a ed.)

Russell, Bertrand 3rd Earl, y Charles Pigden. Russell on Ethics: Selections from the Writings of Bertrand Russell. Routledge, 1999.