APA citiranje

Kristján Kristjánsson. (2013). Virtues and Vices in Positive Psychology (1.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Kristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.

MLA citiranje

Kristján Kristjánsson. Virtues and Vices in Positive Psychology. 1. Cambridge University Press, 2013.