Russell, Dale A.. "FOREWORD". Systematics and Morphology of American Mosasaurs, New Haven: Yale University Press, 2020, pp. xi-xii. https://doi.org/10.12987/9781933789453-002
Russell, D. (2020). FOREWORD. In Systematics and Morphology of American Mosasaurs (pp. xi-xii). New Haven: Yale University Press. https://doi.org/10.12987/9781933789453-002
Russell, Dale A.. "FOREWORD" In Systematics and Morphology of American Mosasaurs, xi-xii. New Haven: Yale University Press, 2020. https://doi.org/10.12987/9781933789453-002