Spade, P. V., & Porphyrius 233-301. (1994). Five texts on the mediaeval problem of universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Hackett.
Chicago Style (17th ed.) CitationSpade, Paul Vincent, and Porphyrius 233-301. Five Texts on the Mediaeval Problem of Universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Indianapolis, Ind Cambridge: Hackett, 1994.
MLA引文Spade, Paul Vincent, and Porphyrius 233-301. Five Texts on the Mediaeval Problem of Universals: Porphyry, Boethius, Abelard, Duns Scotus, Ockham. Hackett, 1994.
警告：這些引文格式不一定是100％准確.