APA Style

WENGLER, JOHN. (2001). MANAGING ENERGY RISK: A NONTECHNICAL GUIDE TO MARKETS AND TRADING . Tulsa, OK: PennWell.

Chicago Style

WENGLER, JOHN. MANAGING ENERGY RISK: A NONTECHNICAL GUIDE TO MARKETS AND TRADING. Tulsa, OK: PennWell, 2001. Text.

MLA Style

WENGLER, JOHN. MANAGING ENERGY RISK: A NONTECHNICAL GUIDE TO MARKETS AND TRADING. Tulsa, OK: PennWell, 2001. Text.

Turabian Style

WENGLER, JOHN. MANAGING ENERGY RISK: A NONTECHNICAL GUIDE TO MARKETS AND TRADING. Tulsa, OK: PennWell, 2001. Print.