Cita APA

Burck, C., Barratt, S., & Kavner, E. (2013). Positions and polarities in contemporary systemic practice: The legacy of David Campbell. London: Karnac.

Citación estilo Chicago

Burck, Charlotte, Sara Barratt, and Ellie Kavner. Positions and Polarities in Contemporary Systemic Practice: The Legacy of David Campbell. London: Karnac, 2013.

Cita MLA

Burck, Charlotte, Sara Barratt, and Ellie Kavner. Positions and Polarities in Contemporary Systemic Practice: The Legacy of David Campbell. London: Karnac, 2013.