Juan XXI, P. (1981). Summulae logicales cum Versorii Parisiensis clasissima expositione. Georg Olms.
Chicago Style (17th ed.) CitationJuan XXI, Papa. Summulae Logicales Cum Versorii Parisiensis Clasissima Expositione. Hildesheim [etc.]: Georg Olms, 1981.
MLA (9th ed.) CitationJuan XXI, Papa. Summulae Logicales Cum Versorii Parisiensis Clasissima Expositione. Georg Olms, 1981.
Warning: These citations may not always be 100% accurate.