APA-Zitierstil (7. Ausg.)

Seligman, M. E. P. (1996). Helplessness: On depression, development, and death with a new introduction by the author (2nd print.). Freeman.

Chicago-Zitierstil (17. Ausg.)

Seligman, Martin E. P. Helplessness: On Depression, Development, and Death with a New Introduction by the Author. 2nd print. New York: Freeman, 1996.

MLA-Zitierstil (9. Ausg.)

Seligman, Martin E. P. Helplessness: On Depression, Development, and Death with a New Introduction by the Author. 2nd print. Freeman, 1996.