Cita APA

Gann, L. H. 1., & Duignan, P. (1972). Africa and the world: An introduction to the history of Sub-Saharan Africa from antiquity to 1840. San Francisco: Chandos Publishing Company.

Citación estilo Chicago

Gann, Lewis Henry 1924-1997, y Peter Duignan. Africa and the World: An Introduction to the History of Sub-Saharan Africa From Antiquity to 1840. San Francisco: Chandos Publishing Company, 1972.

Cita MLA

Gann, Lewis Henry 1924-1997, y Peter Duignan. Africa and the World: An Introduction to the History of Sub-Saharan Africa From Antiquity to 1840. San Francisco: Chandos Publishing Company, 1972.