APA (7th ed.) Citation

Russell, B., & Moore, G. H. (2014). Toward "Principia mathematica", 1905-08 (1st publ.). Routledge.

Chicago Style (17th ed.) Citation

Russell, Bertrand, and Gregory H. Moore. Toward "Principia Mathematica", 1905-08. 1st publ. London ; and New York: Routledge, 2014.

MLA (9th ed.) Citation

Russell, Bertrand, and Gregory H. Moore. Toward "Principia Mathematica", 1905-08. 1st publ. Routledge, 2014.