Cita APA

Black, B. C., & Flarend, R. (2010). Alternative energy: Historical guides to controversial issues in America. Greenwodd.

Citación estilo Chicago

Black, Brian C., and Richard Flarend. Alternative Energy: Historical Guides to Controversial Issues in America. Santa Barbara, Calif: Greenwodd, 2010.

Cita MLA

Black, Brian C., and Richard Flarend. Alternative Energy: Historical Guides to Controversial Issues in America. Greenwodd, 2010.