Cita APA (7a ed.)
Campbell, D., Draper, R., & Huffington, C. (1991). 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, 1991.
Cita MLA (9a ed.)
Campbell, David, et al. A Systemic Approach to Consultation. Karnac Books, 1991.
Precaución: Estas citas no son 100% exactas.