APA (7th ed.) Zitazioa

London Centre for Psychotherapy, ebrary, Inc, & Bishop, B. (2002). Challenges to practice. Karnac.

Chicago Style (17th ed.) Zitazioa

London Centre for Psychotherapy, Inc ebrary, eta Bernardine Bishop. Challenges to Practice. London ; New York: Karnac, 2002.

MLA (9th ed.) Zitazioa

London Centre for Psychotherapy, et al. Challenges to Practice. Karnac, 2002.