APA (7th ed.) Citation

Runciman, S. (1951). A history of the crusades, vol. 1: The first crusade and the foundation of the Kingdom of Jerusalem. The University Press.

Chicago Style (17th ed.) Citation

Runciman, Steven. A History of the Crusades, Vol. 1: The First Crusade and the Foundation of the Kingdom of Jerusalem. Cambridge: The University Press, 1951.

MLA (9th ed.) Citation

Runciman, Steven. A History of the Crusades, Vol. 1: The First Crusade and the Foundation of the Kingdom of Jerusalem. The University Press, 1951.