Roby, H. J. (2010). An introduction to the study of Justinian's Digest: Containing an account of its composition and of the jurists used or referred to therein, together with a full commentary on one title (De usufructu). Cambridge University Press. https://doi.org/10.1017/CBO9780511722448
Chicago Style (17th ed.) CitationRoby, Henry John. An Introduction to the Study of Justinian's Digest: Containing an Account of Its Composition and of the Jurists Used or Referred to Therein, Together with a Full Commentary on One Title (De Usufructu). Cambridge: Cambridge University Press, 2010. https://doi.org/10.1017/CBO9780511722448.
MLA (9th ed.) CitationRoby, Henry John. An Introduction to the Study of Justinian's Digest: Containing an Account of Its Composition and of the Jurists Used or Referred to Therein, Together with a Full Commentary on One Title (De Usufructu). Cambridge University Press, 2010. https://doi.org/10.1017/CBO9780511722448.