Cita APA (7th ed.)

London Centre for Psychotherapy, ebrary, Inc, & Foster, A. (2006). Difference: An avoided topic in practice. Karnac.

Cita Chicago (17th ed.)

London Centre for Psychotherapy, Inc ebrary, i Angela Foster. Difference: An Avoided Topic in Practice. London ; New York: Karnac, 2006.

Cita MLA (9th ed.)

London Centre for Psychotherapy, et al. Difference: An Avoided Topic in Practice. Karnac, 2006.