Citazione APA

 Paul, W. H. (2007).  Future energy: How the new oil industry will change people, politics and portfolios.  John Wiley & Sons.

Stile di citazione Chicago

 Paul, William Henry.  Future Energy: How the New Oil Industry Will Change People, Politics and Portfolios.  John Wiley & Sons, 2007.

Citazione MLA

 Paul, William Henry.  Future Energy: How the New Oil Industry Will Change People, Politics and Portfolios.  John Wiley & Sons, 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.