Cita APA (7a ed.)

Klein, R. G. (1986). Anxiety disorders of childhood. Guilford Pr.

Cita Chicago Style (17a ed.)

Klein, Rachel G. Anxiety Disorders of Childhood. New York [u.a.]: Guilford Pr, 1986.

Cita MLA (8a ed.)

Klein, Rachel G. Anxiety Disorders of Childhood. Guilford Pr, 1986.