APA (7th ed.) Citation

Morris, J. (1973). The age of Arthur: A history of the British Isles from 350 to 650. Weidenfeld and Nicolson.

Chicago Style (17th ed.) Citation

Morris, John. The Age of Arthur: A History of the British Isles from 350 to 650. London: Weidenfeld and Nicolson, 1973.

MLA (9th ed.) Citation

Morris, John. The Age of Arthur: A History of the British Isles from 350 to 650. Weidenfeld and Nicolson, 1973.