Style de citation APA (7e éd.)

Holm-Hadulla, R. M., & Jenkins, A. (2004). The art of counselling and psychotherapy. Karnac Books.

Style de citation Chicago (17e éd.)

Holm-Hadulla, Rainer Matthias, et Andrew Jenkins. The Art of Counselling and Psychotherapy. London: Karnac Books, 2004.

Style de citation MLA (9e éd.)

Holm-Hadulla, Rainer Matthias, et Andrew Jenkins. The Art of Counselling and Psychotherapy. Karnac Books, 2004.