Character strengths and virtues

MLA

Peterson, Christopher, and Martin E. P Seligman. Character Strengths and Virtues : a Handbook and Classification. Washington, DC: American Psychological Association , 2004.

APA

Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues : a handbook and classification. Washington, DC: American Psychological Association .

Chicago

Peterson, Christopher, and Martin E. P Seligman. Character Strengths and Virtues: A Handbook and Classification. Washington, DC: American Psychological Association, 2004.