APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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