APA (7th ed.) Citation

Claeys, G. (2005). Encyclopedia of nineteenth-century thought. Routledge.

Chicago Style (17th ed.) Citation

Claeys, Gregory. Encyclopedia of Nineteenth-century Thought. New York: Routledge, 2005.

MLA (9th ed.) Citation

Claeys, Gregory. Encyclopedia of Nineteenth-century Thought. Routledge, 2005.