APA (7th ed.) Citation

(1991). Ravenna: Treasures of light. Longo.

Chicago Style (17th ed.) Citation

Ravenna: Treasures of Light. Ravenna: Longo, 1991.

MLA (9th ed.) Citation

Ravenna: Treasures of Light. Longo, 1991.

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