APA (7th ed.) Citation

Worger, W. H., Ambler, C. H., & Achebe, N. (2019). A companion to African history. Wiley Blackwell.

Chicago Style (17th ed.) Citation

Worger, William H., Charles H. Ambler, and Nwando Achebe. A Companion to African History. Hoboken, NJ: Wiley Blackwell, 2019.

MLA (9th ed.) Citation

Worger, William H., et al. A Companion to African History. Wiley Blackwell, 2019.