APA način citiranja (7. izdanje)

Onwuka, R. I. (1989). Africa in world politics, into the 1990s. Macmillan.

Čikaški stil citiranja (17. izdanje)

Onwuka, Ralph I. Africa in World Politics, into the 1990s. Basingstoke, Hants, Eng: Macmillan, 1989.

MLA način citiranja (9. izdanje)

Onwuka, Ralph I. Africa in World Politics, into the 1990s. Macmillan, 1989.