Citazione Stile APA (7a Edizione)

Ogunniyi, D., Ehon, G., Ogbajie, N. U., & Mohammed, A. (2009). Social issues and problems (UBE edition, 1. published.). Spectrum Books Limited.

Citazione stile Chigago Style (17a edizione)

Ogunniyi, Dayo, G.I Ehon, Nwakaego U. Ogbajie, e Abbas Mohammed. Social Issues and Problems. UBE edition, 1. published. Ibadan: Spectrum Books Limited, 2009.

Citatione MLA (9a ed.)

Ogunniyi, Dayo, et al. Social Issues and Problems. UBE edition, 1. published. Spectrum Books Limited, 2009.