APA (7th ed.) Citation

Ulrich, v. S., Palazzo, A., & Sturlese, L. (2005). De summo bono: Liber 4, Tractatus 3. Felix Meiner.

Chicago Style (17th ed.) Citation

Ulrich, von Strassburg, Alessandro Palazzo, and Loris Sturlese. De Summo Bono: Liber 4, Tractatus 3. Hamburg: Felix Meiner, 2005.

MLA (9th ed.) Citation

Ulrich, von Strassburg, et al. De Summo Bono: Liber 4, Tractatus 3. Felix Meiner, 2005.