Παραπομπή σε μορφή APA (7η εκδ.)

Edwards, P., & Pap, A. (1959). A modern introduction to philosophy: Readings from classical and contemporary sources. The Free Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Edwards, Paul, και Arthur Pap. A Modern Introduction to Philosophy: Readings from Classical and Contemporary Sources. Glencoe: The Free Press, 1959.

Παραπομπή σε μορφή MLA (8th εκδ.)

Edwards, Paul, και Arthur Pap. A Modern Introduction to Philosophy: Readings from Classical and Contemporary Sources. The Free Press, 1959.