SPENCE, R. T. (1980). THE IMPACT OF HISTORICAL EVENTS ON THE COMPILATION OF THE "LITTERE CURIALES" FROM POPE GREGORY IX's TWELFTH YEAR. Archivum historiae pontificiae, 18, 383-393.
Chicago Style (17th ed.) CitationSPENCE, RICHARD T. "THE IMPACT OF HISTORICAL EVENTS ON THE COMPILATION OF THE "LITTERE CURIALES" FROM POPE GREGORY IX's TWELFTH YEAR." Archivum Historiae Pontificiae 18 (1980): 383-393.
MLA (9th ed.) CitationSPENCE, RICHARD T. "THE IMPACT OF HISTORICAL EVENTS ON THE COMPILATION OF THE "LITTERE CURIALES" FROM POPE GREGORY IX's TWELFTH YEAR." Archivum Historiae Pontificiae, vol. 18, 1980, pp. 383-393.
Warning: These citations may not always be 100% accurate.