Cita APA (7a ed.)
Pieper, J. Scholasticism: Personalities and Problems of Medieval Philosophy. Pantheon Books.
Cita estilo Chicago (17a ed.)
Pieper, Josef. Scholasticism: Personalities and Problems of Medieval Philosophy. Nueva York, EUA: Pantheon Books.
Cita MLA (9a ed.)
Pieper, Josef. Scholasticism: Personalities and Problems of Medieval Philosophy. Pantheon Books.
警告：這些引文格式不一定是100％准確.