The principles of mathematics

MLA

Russell, Bertrand. The Principles of Mathematics. 8th pr. London: Allen & Unwin, 1964.

APA

Russell, B. (1964). The principles of mathematics. 8th pr. London: Allen & Unwin.

Chicago

Russell, Bertrand, The Principles of Mathematics. 8th pr. London: Allen & Unwin, 1964.