APA (7th ed.) Citation

Bowlby, J. (1981). Attachment and loss / John Bowlby. sadness and depression: Sadness and depression. Penguin.

Chicago Style (17th ed.) Citation

Bowlby, John. Attachment and Loss / John Bowlby. Sadness and Depression: Sadness and Depression. Harmondsworth: Penguin, 1981.

MLA (9th ed.) Citation

Bowlby, John. Attachment and Loss / John Bowlby. Sadness and Depression: Sadness and Depression. Penguin, 1981.

Warning: These citations may not always be 100% accurate.