Cita APA (7a ed.)
Prochaska, J. o., & Norcross, J. C. (1994). Systems of psychotherapy: A transtheoretical analysis (3rd ed.). Brooks/Cole.
Cita Chicago Style (17a ed.)
Prochaska, James o., y John C. Norcross. Systems of Psychotherapy: A Transtheoretical Analysis. 3rd ed. California: Brooks/Cole, 1994.
Cita MLA (9a ed.)
Prochaska, James o., y John C. Norcross. Systems of Psychotherapy: A Transtheoretical Analysis. 3rd ed. Brooks/Cole, 1994.
Precaución: Estas citas no son 100% exactas.