Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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