APA (7th ed.) Citation

Willis, J. R. (1985). Slaves and slavery in Muslim Africa. F. Cass.

Chicago Style (17th ed.) Citation

Willis, John Ralph. Slaves and Slavery in Muslim Africa. London, England ; Totowa, N.J.: F. Cass, 1985.

MLA (9th ed.) Citation

Willis, John Ralph. Slaves and Slavery in Muslim Africa. F. Cass, 1985.