Citação norma APA
Alpers, E. A. (1975). Ivory & Slaves in East central Africa: Changing patterns of international trade to the later nineteenth century. Heinemann.
Citação norma Chicago
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. London: Heinemann, 1975.
Citação norma MLA
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. Heinemann, 1975.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.