Cita APA (7a ed.)

Kristjánsson, K. (2013). Virtues and vices in positive psychology: A philosophical critique. Cambridge University Press.

Cita Chicago Style (17a ed.)

Kristjánsson, Kristján. Virtues and Vices in Positive Psychology: A Philosophical Critique. Cambridge: Cambridge University Press, 2013.

Cita MLA (9a ed.)

Kristjánsson, Kristján. Virtues and Vices in Positive Psychology: A Philosophical Critique. Cambridge University Press, 2013.