Ferretti, A., & Bergström, S. M. (2022). Middle-Upper Ordovician conodonts from the Ffairfach and Golden Grove groups in South Wales, United Kingdom. Historical Biology, 34(3), 462. https://doi.org/10.1080/08912963.2021.1929952
Chicago Style (17th ed.) CitationFerretti, Annalisa, and Stig M. Bergström. "Middle-Upper Ordovician Conodonts from the Ffairfach and Golden Grove Groups in South Wales, United Kingdom." Historical Biology 34, no. 3 (2022): 462. https://doi.org/10.1080/08912963.2021.1929952.
MLA (9th ed.) CitationFerretti, Annalisa, and Stig M. Bergström. "Middle-Upper Ordovician Conodonts from the Ffairfach and Golden Grove Groups in South Wales, United Kingdom." Historical Biology, vol. 34, no. 3, 2022, p. 462, https://doi.org/10.1080/08912963.2021.1929952.