APA (7th ed.) Citation

Tordo, S., Tracy, B. S., & Arfaa, N. (2011). National oil companies and value creation. World Bank.

Chicago Style (17th ed.) Citation

Tordo, Silvana, Brandon S. Tracy, and Noora Arfaa. National Oil Companies and Value Creation. Washington, D.C.: World Bank, 2011.

MLA (9th ed.) Citation

Tordo, Silvana, et al. National Oil Companies and Value Creation. World Bank, 2011.