Speculum simplicium animarum

MLA

Guarnieri, Romana, Marguerite Porete, and Paul Verdeyen. Speculum Simplicium Animarum. Turnhout: Brepols, 1986.

APA

Guarnieri, R., Marguerite Porete, M. Porete, & Verdeyen, P. (1986). Speculum simplicium animarum. Turnhout: Brepols.

Chicago

Marguerite Porete, Speculum Simplicium Animarum. Edited by Romana Guarnieri and Paul Verdeyen. Turnhout: Brepols, 1986.