APA Citation

Radulfo Ardens ca. 1140-ca. 1200, Heimann, C., Löffler, A. 1., Janotta, T. 1., & Ernst, S. 1. (2020). Speculum Universale. Turnhout: Brepols.

Chicago Style Citation

Radulfo Ardens ca. 1140-ca. 1200, Claudia Heimann, Anette 1963- Löffler, Tobias 1988- Janotta, and Stephan 1956- Ernst. Speculum Universale. Turnhout: Brepols, 2020.

MLA Citation

Radulfo Ardens ca. 1140-ca. 1200, et al. Speculum Universale. Turnhout: Brepols, 2020.

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