APA (7th ed.) Citation

Thomas Aquinas, Boyle, L. E., & Boyle, J. F. (2006). Lectura romana in primum Sententiarum Petri Lombardi. Pontifical Institute of Mediaeval Studies.

Chicago Style (17th ed.) Citation

Thomas Aquinas, Leonard E. Boyle, and John F. Boyle. Lectura Romana in Primum Sententiarum Petri Lombardi. Toronto: Pontifical Institute of Mediaeval Studies, 2006.

MLA (9th ed.) Citation

Thomas Aquinas, et al. Lectura Romana in Primum Sententiarum Petri Lombardi. Pontifical Institute of Mediaeval Studies, 2006.