Cita APA (7a ed.)

Annas, J. (1993). The morality of happiness. Oxford University Press.

Cita Chicago Style (17a ed.)

Annas, Julia. The Morality of Happiness. New York [etc.]: Oxford University Press, 1993.

Cita MLA (9a ed.)

Annas, Julia. The Morality of Happiness. Oxford University Press, 1993.