APA

Bowlby J., . (1973). Attachment and loss. New York, New York, United States: Basic Books.

Chicago

Bowlby John, . 1973. Attachment and loss. New York, New York, United States: Basic Books.

Harvard

Bowlby J., . (1973). Attachment and loss. New York, New York, United States: Basic Books.

MLA

Bowlby John, . Attachment and loss. New York, New York, United States: Basic Books. 1973.