APA (7th ed.) Citation

Clapson, M. (2009). The Routledge companion to Britain in the twentieth century. Routledge.

Chicago Style (17th ed.) Citation

Clapson, Mark. The Routledge Companion to Britain in the Twentieth Century. Abingdon, Oxon New York: Routledge, 2009.

MLA (9th ed.) Citation

Clapson, Mark. The Routledge Companion to Britain in the Twentieth Century. Routledge, 2009.