Παραπομπή σε μορφή APA (7η εκδ.)

Greenaway, J. (2012). The differentiation of authority: The medieval turn toward existence. Catholic University of America Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Greenaway, James. The Differentiation of Authority: The Medieval Turn Toward Existence. Washington, DC: Catholic University of America Press, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Greenaway, James. The Differentiation of Authority: The Medieval Turn Toward Existence. Catholic University of America Press, 2012.