APA (7th ed.) Citation

Russell, B. (1927). An outline of philosophy / by B. Russell. Allen and Unwin.

Chicago Style (17th ed.) Citation

Russell, Bertrand. An Outline of Philosophy / by B. Russell. Allen and Unwin, 1927.

MLA (9th ed.) Citation

Russell, Bertrand. An Outline of Philosophy / by B. Russell. Allen and Unwin, 1927.

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