Francis of Assisi, S. Regula non bullata. Brepols Publishers.
Chicago Style (17th ed.) CitationFrancis of Assisi, Saint. Regula Non Bullata. Turnhout: Brepols Publishers.
MLA (9th ed.) CitationFrancis of Assisi, Saint. Regula Non Bullata. Brepols Publishers.
Warning: These citations may not always be 100% accurate.