APA (7th ed.) Citation

Arnold-Baker, C. (2001). The companion to British history (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Arnold-Baker, Charles. The Companion to British History. 2nd ed. London ; New York: Routledge, 2001.

MLA (9th ed.) Citation

Arnold-Baker, Charles. The Companion to British History. 2nd ed. Routledge, 2001.