Cita APA (7a ed.)

Brett, M. (1999). Ibn Khaldun and the Medieval Maghrib. Ashgate-Variorum.

Cita Chicago Style (17a ed.)

Brett, Michael. Ibn Khaldun and the Medieval Maghrib. Aldershot [etc.]: Ashgate-Variorum, 1999.

Cita MLA (9a ed.)

Brett, Michael. Ibn Khaldun and the Medieval Maghrib. Ashgate-Variorum, 1999.