APA (7th ed.) Citation

Gibb, H. A. R. (1949). Islam: A historic survey (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Gibb, H. A. R. Islam: A Historic Survey. 2nd ed. New York: Oxford University Press, 1949.

MLA (9th ed.) Citation

Gibb, H. A. R. Islam: A Historic Survey. 2nd ed. Oxford University Press, 1949.