APA (7th ed.) Citation

Levison, W. (1949). England and the continent in the eighth century. Clarendon Press.

Chicago Style (17th ed.) Citation

Levison, Wilhelm. England and the Continent in the Eighth Century. Oxford: Clarendon Press, 1949.

MLA (9th ed.) Citation

Levison, Wilhelm. England and the Continent in the Eighth Century. Clarendon Press, 1949.

Warning: These citations may not always be 100% accurate.