APA (7th ed.) Citation

Petrus Thomae, Hooper, M. R., & Buytaert, E. M. (1957). Quodlibet. Franciscan Institute.

Chicago Style (17th ed.) Citation

Petrus Thomae, Mary Rachel Hooper, and Eligius M. Buytaert. Quodlibet. St. Bonaventure, New York: Franciscan Institute, 1957.

MLA (9th ed.) Citation

Petrus Thomae, et al. Quodlibet. Franciscan Institute, 1957.