APA (7th ed.) Citation

Powicke, M. (1991). The thirteenth century, 1216-1307 (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Powicke, Maurice. The Thirteenth Century, 1216-1307. 2nd ed. Oxford: Oxford University Press, 1991.

MLA (9th ed.) Citation

Powicke, Maurice. The Thirteenth Century, 1216-1307. 2nd ed. Oxford University Press, 1991.