Brett, E. T. (1984). Humbert of Romans: His Life and Views of Thirteenth-Century Society. Pontifical institute of mediaeval studies.
Chicago Style (17th ed.) CitationBrett, Edward Tracy. Humbert of Romans: His Life and Views of Thirteenth-Century Society. Toronto: Pontifical institute of mediaeval studies, 1984.
MLA (9th ed.) CitationBrett, Edward Tracy. Humbert of Romans: His Life and Views of Thirteenth-Century Society. Pontifical institute of mediaeval studies, 1984.
Warning: These citations may not always be 100% accurate.