APA (7th ed.) Citation

Russell, B., & Ryan, A. (2014). What I believe. Routledge.

Chicago Style (17th ed.) Citation

Russell, Bertrand, and Alan Ryan. What I Believe. London [u.a.]: Routledge, 2014.

MLA (8th ed.) Citation

Russell, Bertrand, and Alan Ryan. What I Believe. Routledge, 2014.