APA Citation

Khan, M. A., & Husain, A. The pious caliphs (Twelfth edition.).

Chicago Style Citation

Khan, Majid Ali, and Athar Husain. The Pious Caliphs. Twelfth edition.

MLA Citation

Khan, Majid Ali, and Athar Husain. The Pious Caliphs. Twelfth edition.

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