Citazione APA

Porter, N. (1889). The Elements of moral science: Theoretical and Practical. New York: Charles Scribner's Sons.

Stile di citazione Chicago

Porter, Noah. The Elements of Moral Science: Theoretical and Practical. New York: Charles Scribner's Sons, 1889.

Citazione MLA

Porter, Noah. The Elements of Moral Science: Theoretical and Practical. New York: Charles Scribner's Sons, 1889.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.