APA-viite (7. p.)
Roberts, R. C. (2003). Emotions: An essay in aid of moral psychology. Cambridge University Press.
Chicago-viite (17. p.)
Roberts, Robert Campbell. Emotions: An Essay in Aid of Moral Psychology. Cambridge, UK ; New York: Cambridge University Press, 2003.
MLA-viite (9. p.)
Roberts, Robert Campbell. Emotions: An Essay in Aid of Moral Psychology. Cambridge University Press, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.