APA (7th ed.) Citation

Organization of Petroleum Exporting Countries. OPEC energy review. Wiley InterScience.

Chicago Style (17th ed.) Citation

Organization of Petroleum Exporting Countries. OPEC Energy Review. [Oxford]: Wiley InterScience.

MLA (9th ed.) Citation

Organization of Petroleum Exporting Countries. OPEC Energy Review. Wiley InterScience.

Warning: These citations may not always be 100% accurate.