Citazione Stile APA (7a Edizione)
Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification. American Psychological Association ; Oxford University Press.
Citazione stile Chigago Style (17a edizione)
Peterson, Christopher, e Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. Washington, DC : New York: American Psychological Association ; Oxford University Press, 2004.
Citatione MLA (9a ed.)
Peterson, Christopher, e Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. American Psychological Association ; Oxford University Press, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.