Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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