Cita APA (7th ed.)

Niven, S. C. R. (1964). Nine great Africans. G. Bell.

Cita Chicago (17th ed.)

Niven, Sir Cecil Rex. Nine Great Africans. London: G. Bell, 1964.

Cita MLA (9th ed.)

Niven, Sir Cecil Rex. Nine Great Africans. G. Bell, 1964.