APA (7th ed.) Citation

Gale Group, Thackery, E., & Harris, M. (2003). The Gale encyclopedia of mental disorders. Gale Group.

Chicago Style (17th ed.) Citation

Gale Group, Ellen Thackery, and Madeline Harris. The Gale Encyclopedia of Mental Disorders. Farmington Hills, Mi: Gale Group, 2003.

MLA (9th ed.) Citation

Gale Group, et al. The Gale Encyclopedia of Mental Disorders. Gale Group, 2003.