Ṭabarī, 8., & Bosworth, C. E. (1989). The Àbbāsid Caliphate in equilibrium. State University of New York Press.
Chicago Style (17th ed.) CitationṬabarī, 838?-923, and Clifford Edmund Bosworth. The Àbbāsid Caliphate in Equilibrium. Albany: State University of New York Press, 1989.
MLA (9th ed.) CitationṬabarī, 838?-923, and Clifford Edmund Bosworth. The Àbbāsid Caliphate in Equilibrium. State University of New York Press, 1989.
Warning: These citations may not always be 100% accurate.