APA-viite (7. p.)
Theophrastus, Gutas, D., & Bartolomeo da Messina, 1. c. (2010). Theophrastus On first principles: (known as his Metaphysics) : Greek text and medieval Arabic translation. Brill.
Chicago-viite (17. p.)
Theophrastus, Dimitri Gutas, ja 13th cent Bartolomeo da Messina. Theophrastus On First Principles: (known as His Metaphysics) : Greek Text and Medieval Arabic Translation. Leiden [Netherlands] ; Boston: Brill, 2010.
MLA-viite (9. p.)
Theophrastus, et al. Theophrastus On First Principles: (known as His Metaphysics) : Greek Text and Medieval Arabic Translation. Brill, 2010.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.