APA-viite

Strayer, J. R. (1971). Medieval Statecraft and the parspectives of History. Princeton University Press.

Chicago-tyylinen lähdeviittaus

Strayer, Joseph R. Medieval Statecraft and the Parspectives of History. New Jersey: Princeton University Press, 1971.

MLA-viite

Strayer, Joseph R. Medieval Statecraft and the Parspectives of History. Princeton University Press, 1971.