APA (7th ed.) Citation

Carpenter, D. A. (2004). The struggle for mastery: Britain, 1066-1284. Penguin Books.

Chicago Style (17th ed.) Citation

Carpenter, David A. The Struggle for Mastery: Britain, 1066-1284. London: Penguin Books, 2004.

MLA (9th ed.) Citation

Carpenter, David A. The Struggle for Mastery: Britain, 1066-1284. Penguin Books, 2004.