APA (7th ed.) Citation

Aka, E. O., Roeseler, W. G., Sonnenfeld, J., & Sweeney, D. A. (1987). Regional socio-economic disparities in Nigeria: Policy implications.

Chicago Style (17th ed.) Citation

Aka, Ebenezer Ositadinma, Wolfgang G. Roeseler, Joseph Sonnenfeld, and Donald A. Sweeney. Regional Socio-economic Disparities in Nigeria: Policy Implications. 1987.

MLA (9th ed.) Citation

Aka, Ebenezer Ositadinma, et al. Regional Socio-economic Disparities in Nigeria: Policy Implications. 1987.