Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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