APA (7th ed.) Citation

OPEC Fund for International Development, Benamara, A., & Ifeagwu, S. (1987). OPEC aid and the challenge of development. Croom Helm.

Chicago Style (17th ed.) Citation

OPEC Fund for International Development, Abdelkader Benamara, and Sam Ifeagwu. OPEC Aid and the Challenge of Development. London: Croom Helm, 1987.

MLA (9th ed.) Citation

OPEC Fund for International Development, et al. OPEC Aid and the Challenge of Development. Croom Helm, 1987.