Rogerus, M., & Etzkorn, G. J. (1968). Fr. Rogeri Marston, O.F.M. Quodlibeta quatuor. Bibliotheca Franciscana scholastica medii aevi.
Chicago Style (17th ed.) CitationRogerus, Marston, and Girard J. Etzkorn. "Fr. Rogeri Marston, O.F.M. Quodlibeta Quatuor." Bibliotheca Franciscana Scholastica Medii Aevi 1968.
MLA (8th ed.) CitationRogerus, Marston, and Girard J. Etzkorn. "Fr. Rogeri Marston, O.F.M. Quodlibeta Quatuor." Bibliotheca Franciscana Scholastica Medii Aevi, 1968.
Warning: These citations may not always be 100% accurate.