APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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