Roberts, P. B. (1968). Stephanus de lingua-tonante: Studies in the sermons of Stephen Langton. Pont. Instit. of Medieval Studies.
Chicago Style (17th ed.) CitationRoberts, Phyllis Barzillay. Stephanus De Lingua-tonante: Studies in the Sermons of Stephen Langton. Toronto: Pont. Instit. of Medieval Studies, 1968.
MLA (9th ed.) CitationRoberts, Phyllis Barzillay. Stephanus De Lingua-tonante: Studies in the Sermons of Stephen Langton. Pont. Instit. of Medieval Studies, 1968.
Warning: These citations may not always be 100% accurate.