APA (7th ed.) Zitazioa

(2002). Droughts, food and culture: Ecological change and food security in Africa's later prehistory. Kluwer Plenum.

Chicago Style (17th ed.) Zitazioa

Droughts, Food and Culture: Ecological Change and Food Security in Africa's Later Prehistory. New York: Kluwer Plenum, 2002.

MLA (9th ed.) Zitazioa

Droughts, Food and Culture: Ecological Change and Food Security in Africa's Later Prehistory. Kluwer Plenum, 2002.