APA (7th ed.) Citation

Gregor, I. (1979). S. Gregorii Magni opera. Brepols.

Chicago Style (17th ed.) Citation

Gregor, I. S. Gregorii Magni Opera. Turnholti: Brepols, 1979.

MLA (8th ed.) Citation

Gregor, I. S. Gregorii Magni Opera. Brepols, 1979.

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