APA (7th ed.) Citation

(1997). Worldwide petroleum industry outlook. PennWell Books, PennWell Pub. Co..

Chicago Style (17th ed.) Citation

Worldwide Petroleum Industry Outlook. Tulsa, Okla.: PennWell Books, PennWell Pub. Co., 1997.

MLA (9th ed.) Citation

Worldwide Petroleum Industry Outlook. PennWell Books, PennWell Pub. Co., 1997.

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