Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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