APA (7th ed.) Citation

Bowlby, J. (1972). Attachment and loss, volume I: Attachment. Penguin Books.

Chicago Style (17th ed.) Citation

Bowlby, John. Attachment and Loss, Volume I: Attachment. Middlesex: Penguin Books, 1972.

MLA (8th ed.) Citation

Bowlby, John. Attachment and Loss, Volume I: Attachment. Penguin Books, 1972.

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