APA (7th ed.) Citation

Porphyry, a. 2. 3., & Spade, P. V. (1994). Five texts on the mediaeval problem of universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Hackett.

Chicago Style (17th ed.) Citation

Porphyry, approximately 234-approximately 305, and Paul Vincent Spade. Five Texts on the Mediaeval Problem of Universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Indianapolis: Hackett, 1994.

MLA (9th ed.) Citation

Porphyry, approximately 234-approximately 305, and Paul Vincent Spade. Five Texts on the Mediaeval Problem of Universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Hackett, 1994.