APA (7th ed.) Citation

Kennedy, H. (1981). The early Abbasid caliphate: A political history. Croom Helm.

Chicago Style (17th ed.) Citation

Kennedy, Hugh. The Early Abbasid Caliphate: A Political History. London: Croom Helm, 1981.

MLA (8th ed.) Citation

Kennedy, Hugh. The Early Abbasid Caliphate: A Political History. Croom Helm, 1981.

Warning: These citations may not always be 100% accurate.