Gaya APA

Northcott, C. (1976). Slavery's martyr, John Smith of Demerara and the emancipation movement 1817-24. . London: Epworth Press.

Gaya MLA

Northcott, Cecil.. "Slavery's martyr, John Smith of Demerara and the emancipation movement 1817-24. ". London: Epworth Press, 1976. Buku.