Ṭūsī, N. a. M. i. M., & Ragep, F. J. (1993). Naṣīr al-Dīn al-Ṭūsī's Memoir on astronomy =: Al-tadhkira fī ʻilm al-hayʼa. Springer-Verlag.
Chicago Style (17th ed.) CitationṬūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, and F. J. Ragep. Naṣīr Al-Dīn Al-Ṭūsī's Memoir on Astronomy =: Al-tadhkira Fī ʻilm Al-hayʼa. New York: Springer-Verlag, 1993.
MLA (9th ed.) CitationṬūsī, Naṣīr al-Dīn Muḥammad ibn Muḥammad, and F. J. Ragep. Naṣīr Al-Dīn Al-Ṭūsī's Memoir on Astronomy =: Al-tadhkira Fī ʻilm Al-hayʼa. Springer-Verlag, 1993.
Warning: These citations may not always be 100% accurate.