APA (7th ed.) Citation

Bowlby, J. (1988). A secure base: : parent-child attachment and healthy human development. Basic Books.

Chicago Style (17th ed.) Citation

Bowlby, John. A Secure Base: : Parent-child Attachment and Healthy Human Development. New York: Basic Books, 1988.

MLA (9th ed.) Citation

Bowlby, John. A Secure Base: : Parent-child Attachment and Healthy Human Development. Basic Books, 1988.