Cita APA (7a ed.)

Campbell, D., Draper, R., & Huffington, C. (2011). A Systemic Approach to Consultation. Karnac Books.

Cita Chicago Style (17a ed.)

Campbell, David, Rosalind Draper, y Clare Huffington. A Systemic Approach to Consultation. London: Karnac Books, 2011.

Cita MLA (9a ed.)

Campbell, David, et al. A Systemic Approach to Consultation. Karnac Books, 2011.