APA (7th ed.) Citation

Last, C. G., & Hersen, M. (1988). Handbook of anxiety disorders. Pergamon Press.

Chicago Style (17th ed.) Citation

Last, Cynthia G., and Michel Hersen. Handbook of Anxiety Disorders. New York: Pergamon Press, 1988.

MLA (9th ed.) Citation

Last, Cynthia G., and Michel Hersen. Handbook of Anxiety Disorders. Pergamon Press, 1988.