Citazione Stile APA (7a Edizione)

Hayes, C. J. H., & Clark, F. F. (1966). Medieval and early modern times: The age of Justinian to the eighteenth century. Macmillan.

Citazione stile Chigago Style (17a edizione)

Hayes, Carlton J. H., e Frederick F. Clark. Medieval and Early Modern Times: The Age of Justinian to the Eighteenth Century. New York: Macmillan, 1966.

Citatione MLA (9a ed.)

Hayes, Carlton J. H., e Frederick F. Clark. Medieval and Early Modern Times: The Age of Justinian to the Eighteenth Century. Macmillan, 1966.