Cita APA (7a ed.)

Gratian, a. 1. c., Christensen, K., Gordley, J., & Thompson, A. (1993). The Treatise on Laws (Decretum DD. 1-20) with the Ordinary Gloss (Studies in Medieval and Early Modern Canon Law, Volume 2). Catholic University of America Press.

Cita Chicago Style (17a ed.)

Gratian, active 12th century, Katherine Christensen, James Gordley, y Augustine Thompson. The Treatise on Laws (Decretum DD. 1-20) with the Ordinary Gloss (Studies in Medieval and Early Modern Canon Law, Volume 2). Washington, D.C.: Catholic University of America Press, 1993.

Cita MLA (8a ed.)

Gratian, active 12th century, et al. The Treatise on Laws (Decretum DD. 1-20) with the Ordinary Gloss (Studies in Medieval and Early Modern Canon Law, Volume 2). Catholic University of America Press, 1993.