APA (7th ed.) Citation

Willis, J. R. (1979). The cultivators of Islam. Studies in West African Islamic history.

Chicago Style (17th ed.) Citation

Willis, John Ralph. "The Cultivators of Islam." Studies in West African Islamic History 1979.

MLA (8th ed.) Citation

Willis, John Ralph. "The Cultivators of Islam." Studies in West African Islamic History, 1979.

Warning: These citations may not always be 100% accurate.