APA (7th ed.) Citation

Petrus, H. c. 1. J., & Reilly, L. (1993). Summa super Priscianum. Pontifical Inst. of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Petrus, Helias ca. 12. Jh., and Leo Reilly. Summa Super Priscianum. Toronto: Pontifical Inst. of Mediaeval Studies, 1993.

MLA (9th ed.) Citation

Petrus, Helias ca. 12. Jh., and Leo Reilly. Summa Super Priscianum. Pontifical Inst. of Mediaeval Studies, 1993.

Warning: These citations may not always be 100% accurate.