APA Style

Owens, J. (1978). The doctrine of being in the Aristotelian 'metaphysics' : a study in the Greek background of medieval thought (Third ed.). Toronto: Pontifical Institute of Medieval Studies.

MLA Style

Owens, Joseph. "The doctrine of being in the Aristotelian 'metaphysics' : a study in the Greek background of medieval thought". Third ed. Toronto: Pontifical Institute of Medieval Studies, 1978. Text.