Cite
Over three millennia of mercury pollution in the Peruvian Andes.
MLA
Cooke, Cohn A., et al. “Over Three Millennia of Mercury Pollution in the Peruvian Andes.” Proceedings of the National Academy of Sciences of the United States of America, vol. 106, no. 22, June 2009, pp. 8830–34. EBSCOhost, https://doi.org/10.1073/pnas.0900517106.
APA
Cooke, C. A., Balcom, P. H., Biester, H., & Wolfe, A. P. (2009). Over three millennia of mercury pollution in the Peruvian Andes. Proceedings of the National Academy of Sciences of the United States of America, 106(22), 8830–8834. https://doi.org/10.1073/pnas.0900517106
Chicago
Cooke, Cohn A., Prentiss H. Balcom, Harald Biester, and Alexander P. Wolfe. 2009. “Over Three Millennia of Mercury Pollution in the Peruvian Andes.” Proceedings of the National Academy of Sciences of the United States of America 106 (22): 8830–34. doi:10.1073/pnas.0900517106.