Russell, Dale A.. "SYSTEMATICS". Systematics and Morphology of American Mosasaurs, New Haven: Yale University Press, 2020, pp. 121-184. https://doi.org/10.12987/9781933789453-010
Russell, D. (2020). SYSTEMATICS. In Systematics and Morphology of American Mosasaurs (pp. 121-184). New Haven: Yale University Press. https://doi.org/10.12987/9781933789453-010
Russell, D. 2020. SYSTEMATICS. Systematics and Morphology of American Mosasaurs. New Haven: Yale University Press, pp. 121-184. https://doi.org/10.12987/9781933789453-010
Russell, Dale A.. "SYSTEMATICS" In Systematics and Morphology of American Mosasaurs, 121-184. New Haven: Yale University Press, 2020. https://doi.org/10.12987/9781933789453-010
Russell D. SYSTEMATICS. In: Systematics and Morphology of American Mosasaurs. New Haven: Yale University Press; 2020. p.121-184. https://doi.org/10.12987/9781933789453-010