APA (7th ed.) Citation

Guilelmus, A., & Teske, R. J. (1998). The universe of creatures. Mediaeval philosophical texts in translation.

Chicago Style (17th ed.) Citation

Guilelmus, Arvernus, and Roland J. Teske. "The Universe of Creatures." Mediaeval Philosophical Texts in Translation 1998.

MLA (8th ed.) Citation

Guilelmus, Arvernus, and Roland J. Teske. "The Universe of Creatures." Mediaeval Philosophical Texts in Translation, 1998.

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