APA (7th ed.) Citation

Seligman, M. E. P. (1975). Helplessness: On depression, development, and death. W. H. Freeman.

Chicago Style (17th ed.) Citation

Seligman, Martin E. P. Helplessness: On Depression, Development, and Death. San Francisco: W. H. Freeman, 1975.

MLA (9th ed.) Citation

Seligman, Martin E. P. Helplessness: On Depression, Development, and Death. W. H. Freeman, 1975.