Cita APA (7a ed.)
Watzlawick, P., Fisch, R., Weakland, J., O'Hanlon, B., & Erickson, M. H. Change: Principies of Problem Formation and Problem Resolution. Norton.
Cita estilo Chicago (17a ed.)
Watzlawick, Paul, Richard Fisch, John Weakland, Bill O'Hanlon, y Milton H. Erickson. Change: Principies of Problem Formation and Problem Resolution. Nueva York, EUA: Norton.
Cita MLA (9a ed.)
Watzlawick, Paul, et al. Change: Principies of Problem Formation and Problem Resolution. Norton.
Precaución: Estas citas no son 100% exactas.