MLA

Leff, Julian P., and Christine Vaughn. Expressed Emotion In Families : Its Significance for Mental Illness. New York: Guilford Press, 1985.

APA

Leff, J. P., & Vaughn, C. (1985). Expressed emotion in families : its significance for mental illness. New York: Guilford Press.

Chicago

Leff, Julian P., and Christine Vaughn. Expressed Emotion In Families: Its Significance for Mental Illness. New York: Guilford Press, 1985.