Παραπομπή σε μορφή APA (7η εκδ.)

Paton, H. J. (1971). The categorical imperative: A study in Kant's moral philosophy. University of Pennsylvania Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Paton, H. J. The Categorical Imperative: A Study in Kant's Moral Philosophy. Philadelphia: University of Pennsylvania Press, 1971.

Παραπομπή σε μορφή MLA (8th εκδ.)

Paton, H. J. The Categorical Imperative: A Study in Kant's Moral Philosophy. University of Pennsylvania Press, 1971.