Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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