Παραπομπή σε μορφή APA (7η εκδ.)

Duhem, P. M. M., & Ariew, R. (1987). Medieval cosmology: Theories of infinity, place, time, void, and the plurality of worlds. The University of Chicago Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Duhem, Pierre Maurice Marie, και Roger Ariew. Medieval Cosmology: Theories of Infinity, Place, Time, Void, and the Plurality of Worlds. Chicago: The University of Chicago Press, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Duhem, Pierre Maurice Marie, και Roger Ariew. Medieval Cosmology: Theories of Infinity, Place, Time, Void, and the Plurality of Worlds. The University of Chicago Press, 1987.