APA (7th ed.) Citation

Clarkson, P. (2002). On psychotherapy 2: Including the 7-level model. Whurr.

Chicago Style (17th ed.) Citation

Clarkson, Petrūska. On Psychotherapy 2: Including the 7-level Model. London ; Philadelphia: Whurr, 2002.

MLA (9th ed.) Citation

Clarkson, Petrūska. On Psychotherapy 2: Including the 7-level Model. Whurr, 2002.