APA (7e ed.) Bronvermelding

Russell, B. (1914). Our knowledge of the external world: As a field for scientific method in philosophy. George Allen & Unwin.

Chicago (17e ed.) Bronvermelding

Russell, Bertrand. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. Londres: George Allen & Unwin, 1914.

MLA (9e ed.) Bronvermelding

Russell, Bertrand. Our Knowledge of the External World: As a Field for Scientific Method in Philosophy. George Allen & Unwin, 1914.