APA (7th ed.) Citation

Benewick & Green. (1992). The Routledge dictionary of twentieth-century political thinkers. Routledge.

Chicago Style (17th ed.) Citation

Benewick and Green. The Routledge Dictionary of Twentieth-century Political Thinkers. London: Routledge, 1992.

MLA (9th ed.) Citation

Benewick and Green. The Routledge Dictionary of Twentieth-century Political Thinkers. Routledge, 1992.