Παραπομπή σε μορφή APA (7η εκδ.)

Maier, C. T. (1994). Preaching the crusades: Mendicant friars and the cross in the thirteenth century. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Maier, Christoph T. Preaching the Crusades: Mendicant Friars and the Cross in the Thirteenth Century. Cambridge: Cambridge University Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Maier, Christoph T. Preaching the Crusades: Mendicant Friars and the Cross in the Thirteenth Century. Cambridge University Press, 1994.