APA (7th ed.) Citation

Russell & Bertrand. (1992). The Principles of Mathematics (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Russell and Bertrand. The Principles of Mathematics. 2nd ed. London: Routledge, 1992.

MLA (9th ed.) Citation

Russell and Bertrand. The Principles of Mathematics. 2nd ed. Routledge, 1992.