APA-Zitierstil (7. Ausg.)

Peterson, C., & Seligman, M. E. P. (2004). Character strengths and virtues: A handbook and classification. Oxford Univ. Press.

Chicago-Zitierstil (17. Ausg.)

Peterson, Christopher, und Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. Oxford [u.a.]: Oxford Univ. Press, 2004.

MLA-Zitierstil (9. Ausg.)

Peterson, Christopher, und Martin E. P. Seligman. Character Strengths and Virtues: A Handbook and Classification. Oxford Univ. Press, 2004.