APA Style

Schmidt-Biggemann, W. (2004). ARCHIVES INTERNATIONALES D’HISTOIRE DES IDÉES PHILOSOPHIA PERENNIS Historical Outlines of Western Spirituality in Ancient, Medieval and Early Modern Thought . P.O. Box 17, 3300 AA Dordrecht: Springer Nature.

MLA Style

Schmidt-Biggemann, Wilhelm. "ARCHIVES INTERNATIONALES D’HISTOIRE DES IDÉES PHILOSOPHIA PERENNIS Historical Outlines of Western Spirituality in Ancient, Medieval and Early Modern Thought". P.O. Box 17, 3300 AA Dordrecht: Springer Nature, 2004. Text.