Citazione Stile APA (7a Edizione)
Coyle, E. D., & Simmons, R. A. (2014). Understanding the global energy crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press.
Citazione stile Chigago Style (17a edizione)
Coyle, Eugene D., e Richard A. Simmons. Understanding the Global Energy Crisis. West Lafayette, Indiana: Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
Citatione MLA (9a ed.)
Coyle, Eugene D., e Richard A. Simmons. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.