APA (7th ed.) Citation

Gerardo. (1853). Gerardi Epistola. Migne.

Chicago Style (17th ed.) Citation

Gerardo. Gerardi Epistola. Paris: Migne, 1853.

MLA (9th ed.) Citation

Gerardo. Gerardi Epistola. Migne, 1853.

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