Cita APA (7a ed.)
Powell, J. M. (1986). Anatomy of a crusade, 1213-1221. University of Pennsylvania Press.
Cita Chicago Style (17a ed.)
Powell, James M. Anatomy of a Crusade, 1213-1221. Philadelphia [Pa.]: University of Pennsylvania Press, 1986.
Cita MLA (9a ed.)
Powell, James M. Anatomy of a Crusade, 1213-1221. University of Pennsylvania Press, 1986.
Precaución: Estas citas no son 100% exactas.