Summa super Priscianum /
Petrus Helias ; edited by Leo Reilly.
APA Citation
Helias, P., Reilly, L. Alexander., Pontifical Institute of Mediaeval Studies. (1993). Summa super Priscianum. Toronto: Pontifical Institute of Mediaeval Studies.
MLA Citation
Helias, Petrus, approximately 1100-1166?, Leo Alexander Reilly, and Pontifical Institute of Mediaeval Studies. Summa Super Priscianum. Toronto: Pontifical Institute of Mediaeval Studies, 1993.
Warning: These citations may not always be complete (especially for serials).