ʻUmar ibn Yūsuf, S. o. Y., Zetterstéen, K. V. 1., & Munajjid, Ṣ. a. (1949). Ṭurfat al-aṣḥāb fī maʻrifat al-ansāb. Dimashq: Matḅa ʻat al-Taraqqī.
Chicago Style CitationʻUmar ibn Yūsuf, Sultan of Yemen, K. V. 1866-1953 Zetterstéen, and Ṣalāḥ al-Dīn Munajjid. Ṭurfat Al-aṣḥāb Fī Maʻrifat Al-ansāb. Dimashq: Matḅa ʻat al-Taraqqī, 1949.
MLA CitationʻUmar ibn Yūsuf, Sultan of Yemen, K. V. 1866-1953 Zetterstéen, and Ṣalāḥ al-Dīn Munajjid. Ṭurfat Al-aṣḥāb Fī Maʻrifat Al-ansāb. Dimashq: Matḅa ʻat al-Taraqqī, 1949.
Warning: These citations may not always be 100% accurate.