APA-Zitierstil (7. Ausg.)

Okeke, O. E. (2010). A political and administrative history of Onitsha: 1917 - 1970 (1. printing.). Africa World Press.

Chicago-Zitierstil (17. Ausg.)

Okeke, Okechukwu Edward. A Political and Administrative History of Onitsha: 1917 - 1970. 1. printing. Trenton, NJ [u.a.]: Africa World Press, 2010.

MLA-Zitierstil (9. Ausg.)

Okeke, Okechukwu Edward. A Political and Administrative History of Onitsha: 1917 - 1970. 1. printing. Africa World Press, 2010.