Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.