Willis, J. R. (1979). The cultivators of Islam. Studies in West African Islamic history.
Chicago Style (17th ed.) CitationWillis, John Ralph. "The Cultivators of Islam." Studies in West African Islamic History 1979.
MLA (8th ed.) CitationWillis, John Ralph. "The Cultivators of Islam." Studies in West African Islamic History, 1979.
Warning: These citations may not always be 100% accurate.