Cita APA (7th ed.)

Hutcheson, F., & Leechman, W. (2013). A system of moral philosophy: In three books, volume 1. Cambridge University Press.

Cita Chicago (17th ed.)

Hutcheson, Francis, i William Leechman. A System of Moral Philosophy: In Three Books, Volume 1. Cambridge: Cambridge University Press, 2013.

Cita MLA (9th ed.)

Hutcheson, Francis, i William Leechman. A System of Moral Philosophy: In Three Books, Volume 1. Cambridge University Press, 2013.