APA (7th ed.) Citation

Holmes, G. A. (1966). The later Middle Ages, 1272-1485. Norton.

Chicago Style (17th ed.) Citation

Holmes, George Andrew. The Later Middle Ages, 1272-1485. New York: Norton, 1966.

MLA (9th ed.) Citation

Holmes, George Andrew. The Later Middle Ages, 1272-1485. Norton, 1966.