Cita APA (7a ed.)

Schubel, V. J. (2011). Muhammad and the Believers at the Origins of Islam. International Institute of Islamic Thought.

Cita Chicago Style (17a ed.)

Schubel, Vernon James. Muhammad and the Believers at the Origins of Islam. International Institute of Islamic Thought, 2011.

Cita MLA (8a ed.)

Schubel, Vernon James. Muhammad and the Believers at the Origins of Islam. International Institute of Islamic Thought, 2011.