APA (7th ed.) Citation

Gregorio I, P., & Norberg, D. (1982). S. Gregorii Magni Registrum epistularum: Libri I-VIII. Brepols.

Chicago Style (17th ed.) Citation

Gregorio I, Papa, and Dag Norberg. S. Gregorii Magni Registrum Epistularum: Libri I-VIII. Turnholti: Brepols, 1982.

MLA (9th ed.) Citation

Gregorio I, Papa, and Dag Norberg. S. Gregorii Magni Registrum Epistularum: Libri I-VIII. Brepols, 1982.

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