Cita APA (7th ed.)

Russell, B. (1927). An outline of philosophy. George Allen & Unwin.

Cita Chicago (17th ed.)

Russell, Bertrand. An Outline of Philosophy. Londres: George Allen & Unwin, 1927.

Cita MLA (9th ed.)

Russell, Bertrand. An Outline of Philosophy. George Allen & Unwin, 1927.