MLA

Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad, 1147-1223. Waṣīyah. [1814]. https://collections.library.yale.edu/catalog/12315088.

APA, 6th edition

Ibn Qudāmah, Muwaffaq al-Dīn ʻAbd Allāh ibn Aḥmad, 1147-1223. ([1814])[Waṣīyah]. https://collections.library.yale.edu/catalog/12315088.