Cita APA (7a ed.)

Roberts, P. B. (1986). Stephanus de Lingua-Tonante: Studies in the sermons of Stephen Langton. Pontifical Institute of Mediaeval Studies.

Cita Chicago Style (17a ed.)

Roberts, Phyllis Barzillay. Stephanus De Lingua-Tonante: Studies in the Sermons of Stephen Langton. Toronto: Pontifical Institute of Mediaeval Studies, 1986.

Cita MLA (9a ed.)

Roberts, Phyllis Barzillay. Stephanus De Lingua-Tonante: Studies in the Sermons of Stephen Langton. Pontifical Institute of Mediaeval Studies, 1986.