Citação norma APA

Steding, D. J., Dunlap, C. E., & Flegal, A. R. (2000). New isotopic evidence for chronic lead contamination in the San Francisco Bay estuary system: Implications for the persistence of past industrial lead emissions in the biosphere. The National Academy of Sciences.

Citação norma Chicago

Steding, Douglas J., Charles E. Dunlap, and A. Russell Flegal. New Isotopic Evidence for Chronic Lead Contamination in the San Francisco Bay Estuary System: Implications for the Persistence of Past Industrial Lead Emissions in the Biosphere. The National Academy of Sciences, 2000.

Citação norma MLA

Steding, Douglas J., Charles E. Dunlap, and A. Russell Flegal. New Isotopic Evidence for Chronic Lead Contamination in the San Francisco Bay Estuary System: Implications for the Persistence of Past Industrial Lead Emissions in the Biosphere. The National Academy of Sciences, 2000.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.