MLA

Fullānī Muḥammad ibn Sulaymān. [Al-]Manhaj Al-farīd fī Maʻrifat ʻilm Al-tawḥīd / Muḥammad Al-wālī Ibn Al-Shaykh Sulaymān Ibn Abī Muḥammad Al-Fullānī. 0AD. https://collections.library.yale.edu/catalog/16064688.

APA, 6th edition

Fullānī Muḥammad ibn Sulaymān. (0 C.E.). [al-]Manhaj al-farīd fī maʻrifat ʻilm al-tawḥīd / Muḥammad al-wālī ibn al-shaykh Sulaymān ibn Abī Muḥammad al-Fullānī [Manuscripts, Arabic]. https://collections.library.yale.edu/catalog/16064688.