APA (7th ed.) Citation

de Graft-Johnson, J. C. (1957). African Empires of the Past.

Chicago Style (17th ed.) Citation

de Graft-Johnson, J. C. African Empires of the Past. 1957.

MLA (8th ed.) Citation

de Graft-Johnson, J. C. African Empires of the Past. 1957.

Warning: These citations may not always be 100% accurate.