Citazione APA

Janet, P., & Chapman, M. (1898). The theory of morals. C. Scribner's Sons.

Stile di citazione Chicago

Janet, Paul, e Mary Chapman. The Theory of Morals. New York: C. Scribner's Sons, 1898.

Citazione MLA

Janet, Paul, e Mary Chapman. The Theory of Morals. C. Scribner's Sons, 1898.