Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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