APA (7th ed.) Zitazioa

Global Policy Research Institute, Simmons, R. A., & Coyle, E. D. (2014). Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press.

Chicago Style (17th ed.) Zitazioa

Global Policy Research Institute, Richard A. Simmons, eta Eugene D. Coyle. Understanding the Global Energy Crisis. West Lafayette, Indiana: Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.

MLA (9th ed.) Zitazioa

Global Policy Research Institute, et al. Understanding the Global Energy Crisis. Published on behalf of the Global Policy Research Institute by Purdue University Press, 2014.