Cita APA (7a ed.)

Russell, B. R. (1926). Our knowledge of the external world as a field for scientific method in philosophy. Allen & Unwin.

Cita Chicago Style (17a ed.)

Russell, Bertrand Russell. Our Knowledge of the External World as a Field for Scientific Method in Philosophy. London: Allen & Unwin, 1926.

Cita MLA (9a ed.)

Russell, Bertrand Russell. Our Knowledge of the External World as a Field for Scientific Method in Philosophy. Allen & Unwin, 1926.