Cita APA (7a ed.)

MacDonald, G. J., & Williams, R. A. ([um 1975]). Guided self-help: A new approach to treatment of sexual offenders. Annual report.

Cita Chicago Style (17a ed.)

MacDonald, George J., y Robinson A. Williams. "Guided Self-help: A New Approach to Treatment of Sexual Offenders." Annual Report [um 1975].

Cita MLA (9a ed.)

MacDonald, George J., y Robinson A. Williams. "Guided Self-help: A New Approach to Treatment of Sexual Offenders." Annual Report, [um 1975].