APA (7th ed.) Citation

Osei, G. K., Adelakun, F., & Onah, E. Unknown facts about the African: With complete proof. A.E. Publishers, [2000?].

Chicago Style (17th ed.) Citation

Osei, G. K., Femi Adelakun, and Ejembi Onah. Unknown Facts About the African: With Complete Proof. Jos [Nigeria]: A.E. Publishers, [2000?].

MLA (9th ed.) Citation

Osei, G. K., et al. Unknown Facts About the African: With Complete Proof. A.E. Publishers, [2000?].