APA-viite (7. p.)

Segun, M. D., & Layiwola, D. (1987). Institute of African Studies (25th ed.). University of Ibadan.

Chicago-viite (17. p.)

Segun, Mabel D., ja Dele Layiwola. Institute of African Studies. 25th ed. [Ibadan, Nigeria: University of Ibadan, 1987.

MLA-viite (9. p.)

Segun, Mabel D., ja Dele Layiwola. Institute of African Studies. 25th ed. University of Ibadan, 1987.