Cita APA (7a ed.)

Welsh, F. (2008). The battle for Christendom: The Council of Constance, 1415, and the struggle to unite against Islam. Constable.

Cita Chicago Style (17a ed.)

Welsh, Frank. The Battle for Christendom: The Council of Constance, 1415, and the Struggle to Unite Against Islam. London: Constable, 2008.

Cita MLA (9a ed.)

Welsh, Frank. The Battle for Christendom: The Council of Constance, 1415, and the Struggle to Unite Against Islam. Constable, 2008.