APA (7th ed.) Citation

Strayer, J. R. (1971). Medieval statecraft and the perspectives of history. Princeton University Press.

Chicago Style (17th ed.) Citation

Strayer, Joseph R. Medieval Statecraft and the Perspectives of History. Princeton, N.J.: Princeton University Press, 1971.

MLA (9th ed.) Citation

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