Cita APA (7th ed.)

Runciman, S. (1951). A history of the crusades. Cambridge at the University Press.

Cita Chicago (17th ed.)

Runciman, Steven. A History of the Crusades. Londres: Cambridge at the University Press, 1951.

Cita MLA (9th ed.)

Runciman, Steven. A History of the Crusades. Cambridge at the University Press, 1951.