The Institutes of Gaius and Rules of Ulpian :
the former from Studemund's apograph of the Verona codex /
with translation and notes, critical and explanatory, and copious alphabetcial digest by James Muirhead.
APA Citation
Gaius., Studemund, W., Roberts, F. B.., Muirhead, J., Ulpianus, D. (1895). The Institutes of Gaius and Rules of Ulpian: the former from Studemund's apograph of the Verona codex. Edinburgh: T. & T. Clark.
MLA Citation
Ulpianus, D, et al.. The Institutes of Gaius And Rules of Ulpian: the Former From Studemund's Apograph of the Verona Codex. Edinburgh: T. & T. Clark, 1895.
Warning: These citations may not always be complete (especially for serials).