APA (7th ed.) Citation

Gilbert, M. (2003). The Routledge atlas of British history (3rd ed.). Routledge.

Chicago Style (17th ed.) Citation

Gilbert, Martin. The Routledge Atlas of British History. 3rd ed. London ; New York: Routledge, 2003.

MLA (9th ed.) Citation

Gilbert, Martin. The Routledge Atlas of British History. 3rd ed. Routledge, 2003.