APA (7th ed.) Citation

Unity Productions Foundation, Gardner Films, Inc, Gardner, R., Gardner, C., & Mercurio, S. (2007). Cities of light: The rise and fall of Islamic Spain. Unity Productions Foundation.

Chicago Style (17th ed.) Citation

Unity Productions Foundation, Inc Gardner Films, Robert Gardner, Carrie Gardner, and Sam Mercurio. Cities of Light: The Rise and Fall of Islamic Spain. [Potomac Falls, Va.]: Unity Productions Foundation, 2007.

MLA (9th ed.) Citation

Unity Productions Foundation, et al. Cities of Light: The Rise and Fall of Islamic Spain. Unity Productions Foundation, 2007.