Thomson, K. S. (2017). " Epilogue. Measuring the Shadow". In Jefferson's Shadow. New Haven (CT): Yale University Press. doi: https://doi.org/10.12987/9780300187403-023
Thomson, Keith Stewart. " Epilogue. Measuring the Shadow". Jefferson's Shadow. New Haven (CT): Yale University Press, 2017. https://doi.org/10.12987/9780300187403-023 Web.
Thomson, Keith Stewart. " Epilogue. Measuring the Shadow". In Jefferson's Shadow, (New Haven (CT): Yale University Press, 2017) doi: https://doi.org/10.12987/9780300187403-023
Thomson, K. S. (2017). Epilogue. Measuring the Shadow. In Jefferson's Shadow, New Haven (CT): Yale University Press. Available From: Yale University Press https://doi.org/10.12987/9780300187403-023 [Accessed 27 January 2021]