APA (7th ed.) Citation

Flüeler, C., Lanza, L., Toste, M., & Austenfeld, A. M. (2015). Peter of Auvergne: University Master of the 13th century. De Gruyter.

Chicago Style (17th ed.) Citation

Flüeler, Christoph, Lidia Lanza, Marco Toste, and Anne Marie Austenfeld. Peter of Auvergne: University Master of the 13th Century. Berlin: De Gruyter, 2015.

MLA (9th ed.) Citation

Flüeler, Christoph, et al. Peter of Auvergne: University Master of the 13th Century. De Gruyter, 2015.