Cita APA (7a ed.)

Hopkins, A. G. (1988). An economic history of West Africa. Longman.

Cita Chicago Style (17a ed.)

Hopkins, A. G. An Economic History of West Africa. Harlow: Longman, 1988.

Cita MLA (9a ed.)

Hopkins, A. G. An Economic History of West Africa. Longman, 1988.