Mullally, J. P., & Juan XXI, P. (1945). The "Summulae Logicales" of Peter of Spain. University of Notre Dame Press.
Chicago Style (17th ed.) CitationMullally, Joseph P., and Papa Juan XXI. The "Summulae Logicales" of Peter of Spain. Notre Dame [Indiana]: University of Notre Dame Press, 1945.
MLA (9th ed.) CitationMullally, Joseph P., and Papa Juan XXI. The "Summulae Logicales" of Peter of Spain. University of Notre Dame Press, 1945.
Warning: These citations may not always be 100% accurate.