APA (7th ed.) Citation

Johannes, H. 8., & Castaldi, L. (2004). Vita Gregorii I Papae: (BHL 3641 - 3642). SISMEL, Ed. del Galluzzo.

Chicago Style (17th ed.) Citation

Johannes, Hymmonides 825-880, and Lucia Castaldi. Vita Gregorii I Papae: (BHL 3641 - 3642). Firenze: SISMEL, Ed. del Galluzzo, 2004.

MLA (8th ed.) Citation

Johannes, Hymmonides 825-880, and Lucia Castaldi. Vita Gregorii I Papae: (BHL 3641 - 3642). SISMEL, Ed. del Galluzzo, 2004.

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