Citação norma APA

Watzlawick, P., Weakland, J. H., & Fisch, R. (1974). Change: Principles of problem formation and problem resolution. W.W. Norton.

Citação norma Chicago

Watzlawick, Paul, John H. Weakland, and Richard Fisch. Change: Principles of Problem Formation and Problem Resolution. New York: W.W. Norton, 1974.

Citação norma MLA

Watzlawick, Paul, et al. Change: Principles of Problem Formation and Problem Resolution. W.W. Norton, 1974.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.