APA (7th ed.) Citation

Tritton, A. S. (1970). The caliphs and their non-Muslim subjects: A critical study of the Covenant of Umar. F. Cass.

Chicago Style (17th ed.) Citation

Tritton, A. S. The Caliphs and Their Non-Muslim Subjects: A Critical Study of the Covenant of Umar. [London]: F. Cass, 1970.

MLA (9th ed.) Citation

Tritton, A. S. The Caliphs and Their Non-Muslim Subjects: A Critical Study of the Covenant of Umar. F. Cass, 1970.