Cita APA (7a ed.)

Evans, I. M. (2013). How and why people change: Foundations of psychological therapy. Oxford University Press.

Cita Chicago Style (17a ed.)

Evans, Ian M. How and Why People Change: Foundations of Psychological Therapy. Oxford ; New York: Oxford University Press, 2013.

Cita MLA (9a ed.)

Evans, Ian M. How and Why People Change: Foundations of Psychological Therapy. Oxford University Press, 2013.