APA (7th ed.) Citation

Winkel, E. A. (1991). An Early Crescent. International Institute of Islamic Thought.

Chicago Style (17th ed.) Citation

Winkel, Eric A. An Early Crescent. International Institute of Islamic Thought, 1991.

MLA (8th ed.) Citation

Winkel, Eric A. An Early Crescent. International Institute of Islamic Thought, 1991.

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