Cita APA (7a ed.)

Brazelton, T. B., & Cramer, B. G. (1990). The earliest relationship: Parents, infants, and the drama of early attachment. Addison-Wesley.

Cita Chicago Style (17a ed.)

Brazelton, T. Berry, y Bertrand G. Cramer. The Earliest Relationship: Parents, Infants, and the Drama of Early Attachment. Reading, Mass: Addison-Wesley, 1990.

Cita MLA (9a ed.)

Brazelton, T. Berry, y Bertrand G. Cramer. The Earliest Relationship: Parents, Infants, and the Drama of Early Attachment. Addison-Wesley, 1990.