Cita APA (7a ed.)

Samir, K., & Nielsen, J. S. (1994). Christian Arabic apologetics during the Abbasid period, 750-1258. E.J. Brill.

Cita Chicago Style (17a ed.)

Samir, Khalil, y Jorgen S. Nielsen. Christian Arabic Apologetics During the Abbasid Period, 750-1258. Leiden: E.J. Brill, 1994.

Cita MLA (9a ed.)

Samir, Khalil, y Jorgen S. Nielsen. Christian Arabic Apologetics During the Abbasid Period, 750-1258. E.J. Brill, 1994.