APA (7th ed.) Citation

Roberts, P. B. (1968). Studies in the sermons of Stephen Langton. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Roberts, Phyllis Barzillay. Studies in the Sermons of Stephen Langton. Toronto: Pontifical Institute of Mediaeval Studies, 1968.

MLA (9th ed.) Citation

Roberts, Phyllis Barzillay. Studies in the Sermons of Stephen Langton. Pontifical Institute of Mediaeval Studies, 1968.

Warning: These citations may not always be 100% accurate.