APA (7th ed.) Citation

Beutler, L. E., & Crago, M. (1991). Psychotherapy research: An international review of programmatic studies. American Psychological Association.

Chicago Style (17th ed.) Citation

Beutler, Larry E., and Marjorie Crago. Psychotherapy Research: An International Review of Programmatic Studies. Washington, DC: American Psychological Association, 1991.

MLA (9th ed.) Citation

Beutler, Larry E., and Marjorie Crago. Psychotherapy Research: An International Review of Programmatic Studies. American Psychological Association, 1991.