APA (7th ed.) Citation

O'Donnell, J. R. (1974). Essays in honour of Anton Charles Pegis. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

O'Donnell, J. Reginald. Essays in Honour of Anton Charles Pegis. Toronto: Pontifical Institute of Mediaeval Studies, 1974.

MLA (9th ed.) Citation

O'Donnell, J. Reginald. Essays in Honour of Anton Charles Pegis. Pontifical Institute of Mediaeval Studies, 1974.