APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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