Cita APA (7a ed.)
Langs, R. (1999). Psychotherapy and science. SAGE Publications.
Cita Chicago Style (17a ed.)
Langs, Robert. Psychotherapy and Science. London ; Thousand Oaks, Calif.: SAGE Publications, 1999.
Cita MLA (9a ed.)
Langs, Robert. Psychotherapy and Science. SAGE Publications, 1999.
Precaución: Estas citas no son 100% exactas.