APA (7th ed.) Citation

Egger, H. L. (2005). DC:0-3R: Diagnostic classification of mental health and developmental disorders of infancy and early childhood. Zero to Three.

Chicago Style (17th ed.) Citation

Egger, Helen Link. DC:0-3R: Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood. Washington: Zero to Three, 2005.

MLA (9th ed.) Citation

Egger, Helen Link. DC:0-3R: Diagnostic Classification of Mental Health and Developmental Disorders of Infancy and Early Childhood. Zero to Three, 2005.