APA (7th ed.) Citation

Guillem de Saint-Thierry, A. d. S., & Piovesan, E. La lettera d'oro.

Chicago Style (17th ed.) Citation

Guillem de Saint-Thierry, Abat de Saint-Thierry, and Emilio Piovesan. La Lettera D'oro.

MLA (9th ed.) Citation

Guillem de Saint-Thierry, Abat de Saint-Thierry, and Emilio Piovesan. La Lettera D'oro.

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