Παραπομπή σε μορφή APA (7η εκδ.)

Gellis, S. S., Feingold, M., & Rutman, J. Y. Atlas of mental retardation syndromes: Visual diagnosis of facies and physical findings. U. S. Department of Health, Education, and Welfare.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gellis, Sydney S., Murray Feingold, και Joel Y. Rutman. Atlas of Mental Retardation Syndromes: Visual Diagnosis of Facies and Physical Findings. [χ.τ.]: U. S. Department of Health, Education, and Welfare.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gellis, Sydney S., et al. Atlas of Mental Retardation Syndromes: Visual Diagnosis of Facies and Physical Findings. U. S. Department of Health, Education, and Welfare.