Cita APA (7a ed.)

Thompson, R. A., Simpson, J. A., & Berlin, L. J. (2021). Attachment: The fundamental questions. The Guilford Press.

Cita Chicago Style (17a ed.)

Thompson, Ross A., Jeffry A. Simpson, y Lisa J. Berlin. Attachment: The Fundamental Questions. New York: The Guilford Press, 2021.

Cita MLA (9a ed.)

Thompson, Ross A., et al. Attachment: The Fundamental Questions. The Guilford Press, 2021.