Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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