APA

Bowlby J., . (1998). Attachment and loss. London: Pimlico.

Chicago

Bowlby John, . 1998. Attachment and loss. London: Pimlico.

Harvard

Bowlby J., . (1998). Attachment and loss. London: Pimlico.

MLA

Bowlby John, . Attachment and loss. London: Pimlico. 1998.