Cita APA (7a ed.)

Simpson, J. A., & Rholes, W. S. (1998). Attachment theory and close relationships. Guilford.

Cita Chicago Style (17a ed.)

Simpson, Jeffry A., y W. Steven Rholes. Attachment Theory and Close Relationships. New York [etc.]: Guilford, 1998.

Cita MLA (9a ed.)

Simpson, Jeffry A., y W. Steven Rholes. Attachment Theory and Close Relationships. Guilford, 1998.