Viira, V. (2008). Conodont biostratigraphy in the Middle-Upper Ordovician boundary beds of Estonia. Estonian Journal of Earth Sciences, 57(1), 23. https://doi.org/10.3176/earth.2008.1.03
Chicago Style (17th ed.) CitationViira, Viive. "Conodont Biostratigraphy in the Middle-Upper Ordovician Boundary Beds of Estonia." Estonian Journal of Earth Sciences 57, no. 1 (2008): 23. https://doi.org/10.3176/earth.2008.1.03.
MLA (9th ed.) CitationViira, Viive. "Conodont Biostratigraphy in the Middle-Upper Ordovician Boundary Beds of Estonia." Estonian Journal of Earth Sciences, vol. 57, no. 1, 2008, p. 23, https://doi.org/10.3176/earth.2008.1.03.
Warning: These citations may not always be 100% accurate.