Wilhelm, v. O., & Marcus, B. c. 1. J. (1498). Summa logicae. [publisher not identified].
Chicago Style (17th ed.) CitationWilhelm, von Ockham, and Beneventanus ca. 15. Jh Marcus. Summa Logicae. [Bologna]: [publisher not identified], 1498.
MLA (9th ed.) CitationWilhelm, von Ockham, and Beneventanus ca. 15. Jh Marcus. Summa Logicae. [publisher not identified], 1498.
Warning: These citations may not always be 100% accurate.