APA (7th ed.) Citation

Haskins, C. H. (1955). The Renaissance of the twelfth century. World Pub.

Chicago Style (17th ed.) Citation

Haskins, Charles Homer. The Renaissance of the Twelfth Century. Cleveland: World Pub, 1955.

MLA (9th ed.) Citation

Haskins, Charles Homer. The Renaissance of the Twelfth Century. World Pub, 1955.