Citazione Stile APA (7a Edizione)

Webster, J. B., & Boahen, A. A. (1967). The revolutionary years: West Africa since 1800. Longmans.

Citazione stile Chigago Style (17a edizione)

Webster, James Bertin, e A. Adu Boahen. The Revolutionary Years: West Africa Since 1800. [London]: Longmans, 1967.

Citatione MLA (9a ed.)

Webster, James Bertin, e A. Adu Boahen. The Revolutionary Years: West Africa Since 1800. Longmans, 1967.