Citazione Stile APA (7a Edizione)

Zacour, N. P. (1969). An introduction to medieval institutions. St. Martin's Press.

Citazione stile Chigago Style (17a edizione)

Zacour, Norman P. An Introduction to Medieval Institutions. New York: St. Martin's Press, 1969.

Citatione MLA (9a ed.)

Zacour, Norman P. An Introduction to Medieval Institutions. St. Martin's Press, 1969.