APA (7th ed.) Citation

Seligman, M. E. P., Walker, E. F., & Rosenhan, D. L. (2001). Abnormal psychology (4th ed.). Norton.

Chicago Style (17th ed.) Citation

Seligman, Martin E. P., Elaine F. Walker, and David L. Rosenhan. Abnormal Psychology. 4th ed. New York: Norton, 2001.

MLA (9th ed.) Citation

Seligman, Martin E. P., et al. Abnormal Psychology. 4th ed. Norton, 2001.