APA (7th ed.) Citation

Simpson, J. A., & Rholes, W. S. (2015). Attachment theory and research: New directions and emerging themes. The Guilford Press.

Chicago Style (17th ed.) Citation

Simpson, Jeffry A., and W. Steven Rholes. Attachment Theory and Research: New Directions and Emerging Themes. New York: The Guilford Press, 2015.

MLA (9th ed.) Citation

Simpson, Jeffry A., and W. Steven Rholes. Attachment Theory and Research: New Directions and Emerging Themes. The Guilford Press, 2015.