APA (7th ed.) Citation

Alpers, E. A. (1975). Ivory & Slaves in East central Africa: Changing patterns of international trade to the later nineteenth century. Heinemann.

Chicago Style (17th ed.) Citation

Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. London: Heinemann, 1975.

MLA (9th ed.) Citation

Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. Heinemann, 1975.