APA (7th ed.) Citation

Antunes, I., Neiva, A., & Silva, M. (2011). Environmental contamination associated with some abandoned mines in Central Portugal.

Chicago Style (17th ed.) Citation

Antunes, I.M.H.R, A.M.R Neiva, and M. Silva. Environmental Contamination Associated with Some Abandoned Mines in Central Portugal. 2011.

MLA (8th ed.) Citation

Antunes, I.M.H.R, et al. Environmental Contamination Associated with Some Abandoned Mines in Central Portugal. 2011.