APA Citation

Radulfo Ardens ca. 1140-ca. 1200, Ernst, S. 1., & Heimann, C. (2011). Speculum Universale. Turnhout: Brepols.

Chicago Style Citation

Radulfo Ardens ca. 1140-ca. 1200, Stephan 1956- Ernst, and Claudia Heimann. Speculum Universale. Turnhout: Brepols, 2011.

MLA Citation

Radulfo Ardens ca. 1140-ca. 1200, Stephan 1956- Ernst, and Claudia Heimann. Speculum Universale. Turnhout: Brepols, 2011.

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