APA (7th ed.) Citation

Gibb, H. A. R. (1972). Modern trends in Islam (Repr.). Octagon Books.

Chicago Style (17th ed.) Citation

Gibb, Hamilton Alexander Rosskeen. Modern Trends in Islam. Repr. New York: Octagon Books, 1972.

MLA (9th ed.) Citation

Gibb, Hamilton Alexander Rosskeen. Modern Trends in Islam. Repr. Octagon Books, 1972.