Cita APA (7th ed.)
Annas, J. (1993). The morality of happiness. Oxford University Press.
Cita Chicago (17th ed.)
Annas, Julia. The Morality of Happiness. New York: Oxford University Press, 1993.
Cita MLA (9th ed.)
Annas, Julia. The Morality of Happiness. Oxford University Press, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.