APA (7th ed.) Citation
Van Vactor, S. (2010). Introduction to the global oil & gas business. PennWell Corp..
Chicago Style (17th ed.) Citation
Van Vactor, Samuel. Introduction to the Global Oil & Gas Business. Tulsa, Okla.: PennWell Corp., 2010.
MLA (9th ed.) Citation
Van Vactor, Samuel. Introduction to the Global Oil & Gas Business. PennWell Corp., 2010.
Warning: These citations may not always be 100% accurate.