Mayer, H. E. (1977). Purcell, Maureen: Papal Crusading Policy. Zeitschrift für Kirchengeschichte, 88, 366-368. doi:10.60861/zkg.v88i.75479
Chicago Style (17th ed.) CitationMayer, Hans Eberhard. "Purcell, Maureen: Papal Crusading Policy." Zeitschrift Für Kirchengeschichte 88 (1977): 366-368, https://doi.org/10.60861/zkg.v88i.75479.
MLA (9th ed.) CitationMayer, Hans Eberhard. "Purcell, Maureen: Papal Crusading Policy." Zeitschrift Für Kirchengeschichte, vol. 88, 1977, pp. 366-368, https://doi.org/10.60861/zkg.v88i.75479.
Warning: These citations may not always be 100% accurate.