Citazione Stile APA (7a Edizione)
Alpers, E. A. (1975). Ivory & Slaves in East central Africa: Changing patterns of international trade to the later nineteenth century. Heinemann.
Citazione stile Chigago Style (17a edizione)
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. London: Heinemann, 1975.
Citatione MLA (9a ed.)
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. Heinemann, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.