APA (7th ed.) Citation

Lewis, I. M. (1980). Islam in tropical Africa (2nd. ed.). Indiana University Press.

Chicago Style (17th ed.) Citation

Lewis, I. M. Islam in Tropical Africa. 2nd. ed. London: Indiana University Press, 1980.

MLA (9th ed.) Citation

Lewis, I. M. Islam in Tropical Africa. 2nd. ed. Indiana University Press, 1980.