Wiarda, Howard J.,. "Introduction". Atlas of the Transatlantic Slave Trade, New Haven: Yale University Press, 1995, pp. 1-20. https://doi.org/10.12987/9780300185294-004
Wiarda, Howard J. (1995). Introduction. In Atlas of the Transatlantic Slave Trade (pp. 1-20). New Haven: Yale University Press. https://doi.org/10.12987/9780300185294-004