Cita APA (7a ed.)
Watzlawick, P. The Situation is Hopeless But Not Serious: The Pursuit of Unhappiness. Norton.
Cita estilo Chicago (17a ed.)
Watzlawick, Paul. The Situation Is Hopeless But Not Serious: The Pursuit of Unhappiness. Nueva York, EUA: Norton.
Cita MLA (9a ed.)
Watzlawick, Paul. The Situation Is Hopeless But Not Serious: The Pursuit of Unhappiness. Norton.
Precaución: Estas citas no son 100% exactas.