APA Style

Perl, E, D. (2007). Theophany; The Neoplatonic Philosophy of Dionysius the Areopagite . New York: State University of New York Press.

MLA Style

Perl, Eric, D.. "Theophany; The Neoplatonic Philosophy of Dionysius the Areopagite". New York: State University of New York Press, 2007. Text.