Cita APA (7a ed.)

Coyle, E. D., Coyle, E. D., & Simmons, R. A. (2014). Understanding the global energy crisis. Purdue University Press.

Cita Chicago Style (17a ed.)

Coyle, Eugene D., Eugene D. Coyle, y Richard A. Simmons. Understanding the Global Energy Crisis. West Lafayette: Purdue University Press, 2014.

Cita MLA (9a ed.)

Coyle, Eugene D., et al. Understanding the Global Energy Crisis. Purdue University Press, 2014.

Precaución: Estas citas no son 100% exactas.