Cita APA (7a ed.)

Wundt, W., & Washburn, M. F. (1906). Ethics: An investigation of the facts and laws of the moral life. II, Ethical systems. Swan Sonnenschein ; The Macmillan.

Cita Chicago Style (17a ed.)

Wundt, Wilhelm, y Margaret Floy Washburn. Ethics: An Investigation of the Facts and Laws of the Moral Life. II, Ethical Systems. London : New York: Swan Sonnenschein ; The Macmillan, 1906.

Cita MLA (9a ed.)

Wundt, Wilhelm, y Margaret Floy Washburn. Ethics: An Investigation of the Facts and Laws of the Moral Life. II, Ethical Systems. Swan Sonnenschein ; The Macmillan, 1906.