Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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