APA (7th ed.) Citation

Grube, E. J. (1966). The world of Islam. McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Grube, Ernst J. The World of Islam. New York: McGraw-Hill Book Company, 1966.

MLA (9th ed.) Citation

Grube, Ernst J. The World of Islam. McGraw-Hill Book Company, 1966.