MLA

Tar, Usman A, and Sharkdam Wapmuk. Nigerian Foreign Policy 60 Years After Independence. Cham: Springer International Publishing AG, 2023.

APA

Tar, U. A, & Wapmuk, S. (2023). Nigerian Foreign Policy 60 Years after Independence. Cham: Springer International Publishing AG.

Chicago

Tar, Usman A., and Sharkdam Wapmuk. Nigerian Foreign Policy 60 Years After Independence. Cham: Springer International Publishing AG, 2023.