Zenon, . S., & Lijfstedt, B. (1971). Tractatus. Brepols.
Chicago Style (17th ed.) CitationZenon, Santo, and B. Lijfstedt. Tractatus. Turnholti: Brepols, 1971.
MLA (9th ed.) CitationZenon, Santo, and B. Lijfstedt. Tractatus. Brepols, 1971.
Warning: These citations may not always be 100% accurate.