Ribeiro, A., Eira, C., Torres, J., Mendes, P., Miquel, J., Soares, A., & Vingada, J. (2009). Toxic Element Concentrations in the Razorbill Alca torda (Charadriiformes, Alcidae) in Portugal. Archives of Environmental Contamination & Toxicology, 56(3), 588. https://doi.org/10.1007/s00244-008-9215-5
Chicago Style (17th ed.) CitationRibeiro, A., C. Eira, J. Torres, P. Mendes, J. Miquel, A. Soares, and J. Vingada. "Toxic Element Concentrations in the Razorbill Alca Torda (Charadriiformes, Alcidae) in Portugal." Archives of Environmental Contamination & Toxicology 56, no. 3 (2009): 588. https://doi.org/10.1007/s00244-008-9215-5.
MLA (9th ed.) CitationRibeiro, A., et al. "Toxic Element Concentrations in the Razorbill Alca Torda (Charadriiformes, Alcidae) in Portugal." Archives of Environmental Contamination & Toxicology, vol. 56, no. 3, 2009, p. 588, https://doi.org/10.1007/s00244-008-9215-5.