APA (7th ed.) Citation

Prochaska, J. O., & Norcross, J. C. (2010). Systems of psychotherapy: A transtheoretical analysis (7th ed.). Brooks/Cole Pub.

Chicago Style (17th ed.) Citation

Prochaska, James O., and John C. Norcross. Systems of Psychotherapy: A Transtheoretical Analysis. 7th ed. Belmont, CA: Brooks/Cole Pub, 2010.

MLA (9th ed.) Citation

Prochaska, James O., and John C. Norcross. Systems of Psychotherapy: A Transtheoretical Analysis. 7th ed. Brooks/Cole Pub, 2010.