APA (7th ed.) Citation

International Scientific Committee for drafting the general history of Africa (UNESCO), Ki-Zerbo, J., & Ajayi, A. (1989). General history of Africa (Abridged edition.). Unesco.

Chicago Style (17th ed.) Citation

International Scientific Committee for drafting the general history of Africa (UNESCO), J. Ki-Zerbo, and Ade Ajayi. General History of Africa. Abridged edition. [Paris]: Unesco, 1989.

MLA (9th ed.) Citation

International Scientific Committee for drafting the general history of Africa (UNESCO), et al. General History of Africa. Abridged edition. Unesco, 1989.