Cita APA (7a ed.)

Tharp, R. G. (2012). Delta theory and psychosocial systems: The practice of influence and change. Cambridge University Press.

Cita Chicago Style (17a ed.)

Tharp, Roland G. Delta Theory and Psychosocial Systems: The Practice of Influence and Change. New York, NY: Cambridge University Press, 2012.

Cita MLA (8a ed.)

Tharp, Roland G. Delta Theory and Psychosocial Systems: The Practice of Influence and Change. Cambridge University Press, 2012.