APA (7th ed.) Citation

Seligman, M. E. P. (1994). What you can change and what you can't: The complete guide to successful self-improvement. Knopf.

Chicago Style (17th ed.) Citation

Seligman, Martin E. P. What You Can Change and What You Can't: The Complete Guide to Successful Self-improvement. New York: Knopf, 1994.

MLA (8th ed.) Citation

Seligman, Martin E. P. What You Can Change and What You Can't: The Complete Guide to Successful Self-improvement. Knopf, 1994.