Our knowledge of the external world as a field for scientific method in philosophy

MLA

Russell, Bertrand. Our Knowledge of the External World As a Field for Scientific Method In Philosophy. Repr. London: Allen and Unwin, 1961.

APA

Russell, B. (1961). Our knowledge of the external world as a field for scientific method in philosophy. Repr. London: Allen and Unwin.

Chicago

Russell, Bertrand, Our Knowledge of the External World As a Field for Scientific Method In Philosophy. Repr. London: Allen and Unwin, 1961.