O'Brien, C. M. (1992). The illustration of the first Sunday in Advent in fourteenth and fifteenth century Italian breviaries.
Chicago Style (17th ed.) CitationO'Brien, Cecilia M. The Illustration of the First Sunday in Advent in Fourteenth and Fifteenth Century Italian Breviaries. 1992.
MLA (9th ed.) CitationO'Brien, Cecilia M. The Illustration of the First Sunday in Advent in Fourteenth and Fifteenth Century Italian Breviaries. 1992.
Warning: These citations may not always be 100% accurate.