APA Style

Countries, O, O, T, P, E. (1977). Selected Documents of the International Petroleum Industry 1975/76 . Vienna: Organization of the Petroleum Exporting Countries.

MLA Style

Countries, Organization, Of, The, Petroleum, Exporting. "Selected Documents of the International Petroleum Industry 1975/76". Vienna: Organization of the Petroleum Exporting Countries, 1977. Text.