APA (7th ed.) Citation

Witelo & Unguru, S. (1977). Witelonis Perspectivae liber primus =: Book I of Witelo's Perspectiva. Ossolineum.

Chicago Style (17th ed.) Citation

Witelo and Sabetai Unguru. Witelonis Perspectivae Liber Primus =: Book I of Witelo's Perspectiva. Wrocław: Ossolineum, 1977.

MLA (9th ed.) Citation

Witelo and Sabetai Unguru. Witelonis Perspectivae Liber Primus =: Book I of Witelo's Perspectiva. Ossolineum, 1977.

Warning: These citations may not always be 100% accurate.