APA (7th ed.) Citation

OPEC. (1983). Petroleum products prices and their components in selected countries 1983. OPEC.

Chicago Style (17th ed.) Citation

OPEC. Petroleum Products Prices and Their Components in Selected Countries 1983. OPEC, 1983.

MLA (8th ed.) Citation

OPEC. Petroleum Products Prices and Their Components in Selected Countries 1983. OPEC, 1983.

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