Cita APA (7a ed.)

Marvin, L. W. (2008). The Occitan War: A military and political history of the Albigensian Crusade, 1209-1218. Cambridge University Press.

Cita Chicago Style (17a ed.)

Marvin, Laurence Wade. The Occitan War: A Military and Political History of the Albigensian Crusade, 1209-1218. Cambridge [etc.]: Cambridge University Press, 2008.

Cita MLA (9a ed.)

Marvin, Laurence Wade. The Occitan War: A Military and Political History of the Albigensian Crusade, 1209-1218. Cambridge University Press, 2008.