Cita APA (7a ed.)

Heard, D., & Lake, B. (2009). The challenge of attachment for caregiving. Karnac.

Cita Chicago Style (17a ed.)

Heard, Dorothy, y Brian Lake. The Challenge of Attachment for Caregiving. London: Karnac, 2009.

Cita MLA (9a ed.)

Heard, Dorothy, y Brian Lake. The Challenge of Attachment for Caregiving. Karnac, 2009.