APA (7th ed.) Citation

Brown, S. C., Collinson, D., & Wilkinson, R. (1996). Biographical dictionary of twentieth century philosophers. Routledge.

Chicago Style (17th ed.) Citation

Brown, Stuart C., Dianâe Collinson, and Robert Wilkinson. Biographical Dictionary of Twentieth Century Philosophers. London: Routledge, 1996.

MLA (9th ed.) Citation

Brown, Stuart C., et al. Biographical Dictionary of Twentieth Century Philosophers. Routledge, 1996.