Cita APA (7th ed.)

Russell, B. (1937). The principles of mathematics (2a. ed.). George Allen and Unwin.

Cita Chicago (17th ed.)

Russell, Bertrand. The Principles of Mathematics. 2a. ed. Londres: George Allen and Unwin, 1937.

Cita MLA (9th ed.)

Russell, Bertrand. The Principles of Mathematics. 2a. ed. George Allen and Unwin, 1937.