APA (7th ed.) Citation

Humphreys, R. (1991). Islamic history: A framework for inquiry (Revised ed.). I.B.Tauris & Co Ltd..

Chicago Style (17th ed.) Citation

Humphreys, R.Stephen. Islamic History: A Framework for Inquiry. Revised ed. London: I.B.Tauris & Co Ltd., 1991.

MLA (9th ed.) Citation

Humphreys, R.Stephen. Islamic History: A Framework for Inquiry. Revised ed. I.B.Tauris & Co Ltd., 1991.