MLA

Ibn Aṣbagh, Muḥammad ibn ʻĪsá, 1167 or 8-1223 or 4. al-Mudhhabah fī al-ḥulá wa-al-shiyāt / Abū ʻAbd Allāh Muḥammad ibn ʻĪsá ibn Muḥammad ibn Aṣbagh al-Azdī.. 1224. https://collections.library.yale.edu/catalog/16598825.

APA, 6th edition

Ibn Aṣbagh, Muḥammad ibn ʻĪsá, 1167 or 8-1223 or 4. (1224)[al-Mudhhabah fī al-ḥulá wa-al-shiyāt / Abū ʻAbd Allāh Muḥammad ibn ʻĪsá ibn Muḥammad ibn Aṣbagh al-Azdī.]. https://collections.library.yale.edu/catalog/16598825.