APA Citation

Russell, B. (1961). Our knowledge of the external world. London: George Allen and Unwin.

Chicago Style Citation

Russell, Bertrand. Our Knowledge of the External World. London: George Allen and Unwin, 1961.

MLA Citation

Russell, Bertrand. Our Knowledge of the External World. London: George Allen and Unwin, 1961.

Warning: These citations may not always be 100% accurate.