(1980). Africa before Livingstone / [compiled by] Cyril A. Hromnik.
Cita Chicago (17th ed.)Africa Before Livingstone / [compiled by] Cyril A. Hromnik. 1980.
Cita MLA (9th ed.)Africa Before Livingstone / [compiled by] Cyril A. Hromnik. 1980.
Atenció: Aquestes cites poden no estar 100% correctes.