Citazione Stile APA (7a Edizione)

Obioma, G., Nwagbara, C., & Olagunju, D. (2018). Civic education for Primary Schools (First published 2009, revised 2018, new edition.). W, West African Book Publishers Ltd.

Citazione stile Chigago Style (17a edizione)

Obioma, Godswill, Chinyere Nwagbara, e Dayo Olagunju. Civic Education for Primary Schools. First published 2009, revised 2018, new edition. Lagos, Nigeria: W, West African Book Publishers Ltd, 2018.

Citatione MLA (9a ed.)

Obioma, Godswill, et al. Civic Education for Primary Schools. First published 2009, revised 2018, new edition. W, West African Book Publishers Ltd, 2018.