Cita APA (7a ed.)

Klein, R. G., & Last, C. G. (1989). Anxiety disorders in children Developmental clinical psychology and psychiatry.

Cita Chicago Style (17a ed.)

Klein, Rachel G., y Cynthia G. Last. "Anxiety Disorders in Children." Developmental Clinical Psychology and Psychiatry 1989.

Cita MLA (8a ed.)

Klein, Rachel G., y Cynthia G. Last. "Anxiety Disorders in Children." Developmental Clinical Psychology and Psychiatry, 1989.