APA (7th ed.) Citation

Cawood, I. (2004). Britain in the twentieth century. Routledge.

Chicago Style (17th ed.) Citation

Cawood, Ian. Britain in the Twentieth Century. London ; New York: Routledge, 2004.

MLA (9th ed.) Citation

Cawood, Ian. Britain in the Twentieth Century. Routledge, 2004.