APA引文
Paton, H. J. (1971). The categorical imperative: A study in Kant's moral philosophy (1st Pennsylvania pbk. ed.). University of Pennsylvania Press.
芝加哥风格引文
Paton, H. J. The Categorical Imperative: A Study in Kant's Moral Philosophy. 1st Pennsylvania pbk. ed. Philadelphia: University of Pennsylvania Press, 1971.
MLA引文
Paton, H. J. The Categorical Imperative: A Study in Kant's Moral Philosophy. 1st Pennsylvania pbk. ed. University of Pennsylvania Press, 1971.
警告:这些引文格式不一定是100%准确.