Cita APA (7a ed.)

Margolis Nancy, Brindle Ross, & U.S. Department of Energy. Energy and environmental profile of the U.S. iron and steel industry.

Cita Chicago Style (17a ed.)

Margolis Nancy, Brindle Ross, y U.S. Department of Energy. Energy and Environmental Profile of the U.S. Iron and Steel Industry.

Cita MLA (9a ed.)

Margolis Nancy, et al. Energy and Environmental Profile of the U.S. Iron and Steel Industry.