APA (7th ed.) Citation

Riedl, M., & Joachim, v. F. (2018). A companion to Joachim of Fiore. Brill's companions to the Christian tradition.

Chicago Style (17th ed.) Citation

Riedl, Matthias, and von Fiore Joachim. "A Companion to Joachim of Fiore." Brill's Companions to the Christian Tradition 2018.

MLA (8th ed.) Citation

Riedl, Matthias, and von Fiore Joachim. "A Companion to Joachim of Fiore." Brill's Companions to the Christian Tradition, 2018.

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