APA-viite (7. p.)
O'Callaghan, J. F. (2004). Reconquest and crusade in medieval Spain (1st pbk. ed.). University of Pennsylvania Press.
Chicago-viite (17. p.)
O'Callaghan, Joseph F. Reconquest and Crusade in Medieval Spain. 1st pbk. ed. Philadelphia [Pa.]: University of Pennsylvania Press, 2004.
MLA-viite (9. p.)
O'Callaghan, Joseph F. Reconquest and Crusade in Medieval Spain. 1st pbk. ed. University of Pennsylvania Press, 2004.
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