Παραπομπή σε μορφή APA (7η εκδ.)

Epstein, R. A. (1998). Principles for a free society: Reconciling individual liberty with the common good. Perseus Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Epstein, Richard A. Principles for a Free Society: Reconciling Individual Liberty with the Common Good. Reading: Perseus Books, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Epstein, Richard A. Principles for a Free Society: Reconciling Individual Liberty with the Common Good. Perseus Books, 1998.