Azmy, K., Kendall, B., Brand, U., Stouge, S., & Gordon, G. W. (2015). Redox conditions across the Cambrian–Ordovician boundary: Elemental and isotopic signatures retained in the GSSP carbonates. Palaeogeography, Palaeoclimatology, Palaeoecology, 440, 440.
Chicago Style (17th ed.) CitationAzmy, Karem, Brian Kendall, Uwe Brand, Svend Stouge, and Gwyneth W. Gordon. "Redox Conditions Across the Cambrian–Ordovician Boundary: Elemental and Isotopic Signatures Retained in the GSSP Carbonates." Palaeogeography, Palaeoclimatology, Palaeoecology 440 (2015): 440.
MLA (9th ed.) CitationAzmy, Karem, et al. "Redox Conditions Across the Cambrian–Ordovician Boundary: Elemental and Isotopic Signatures Retained in the GSSP Carbonates." Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 440, 2015, p. 440.