Witelo & Unguru, S. (1991). Witelonis Perspectivae liber secundus et liber tertius =: Books II and III of Witelo's Perspectiva. Ossolineum.
Chicago Style (17th ed.) CitationWitelo and Sabetai Unguru. Witelonis Perspectivae Liber Secundus Et Liber Tertius =: Books II and III of Witelo's Perspectiva. Wrocław: Ossolineum, 1991.
MLA (9th ed.) CitationWitelo and Sabetai Unguru. Witelonis Perspectivae Liber Secundus Et Liber Tertius =: Books II and III of Witelo's Perspectiva. Ossolineum, 1991.
Warning: These citations may not always be 100% accurate.