APA

Du Bois W. E. B., . (1969). The suppression of the African slave-trade to the United States of America, 1638-1870. New York: Louisiana State University Press.

Chicago

Du Bois W E B, . 1969. The suppression of the African slave-trade to the United States of America, 1638-1870. New York: Louisiana State University Press.

Harvard

Du Bois W. E. B., . (1969). The suppression of the African slave-trade to the United States of America, 1638-1870. New York: Louisiana State University Press.

MLA

Du Bois W E B, . The suppression of the African slave-trade to the United States of America, 1638-1870. New York: Louisiana State University Press. 1969.