APA (7th ed.) Citation

Lewis, I. M. (1994). Peoples of the Horn of Africa: Somali, Afar and Saho (New ed., with suppl. app.). Haan.

Chicago Style (17th ed.) Citation

Lewis, Ioan M. Peoples of the Horn of Africa: Somali, Afar and Saho. New ed., with suppl. app. London: Haan, 1994.

MLA (9th ed.) Citation

Lewis, Ioan M. Peoples of the Horn of Africa: Somali, Afar and Saho. New ed., with suppl. app. Haan, 1994.