APA (7th ed.) Citation

Ryan, J. J., & Kuttner, S. (1956). Saint Peter Damiani and his canonical sources: A preliminary study in the antecedents of the Gregorian Reform. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Ryan, John J., and Stephan Kuttner. Saint Peter Damiani and His Canonical Sources: A Preliminary Study in the Antecedents of the Gregorian Reform. Toronto: Pontifical Institute of Mediaeval Studies, 1956.

MLA (9th ed.) Citation

Ryan, John J., and Stephan Kuttner. Saint Peter Damiani and His Canonical Sources: A Preliminary Study in the Antecedents of the Gregorian Reform. Pontifical Institute of Mediaeval Studies, 1956.

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