Krehbiel, E. B. (1909). The interdict: Its history and its operation : with especial attention to the time of Pope Innocent III, 1198-1216. American Historical Association.
Chicago Style (17th ed.) CitationKrehbiel, Edward B. The Interdict: Its History and Its Operation : With Especial Attention to the Time of Pope Innocent III, 1198-1216. Washington: American Historical Association, 1909.
MLA (9th ed.) CitationKrehbiel, Edward B. The Interdict: Its History and Its Operation : With Especial Attention to the Time of Pope Innocent III, 1198-1216. American Historical Association, 1909.
Warning: These citations may not always be 100% accurate.