APA (7th ed.) Citation

Roberts, J., & Duyan, K. R. (1970). Visual acuity of children, United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration.

Chicago Style (17th ed.) Citation

Roberts, Jean, and Kenneth R. Duyan. Visual Acuity of Children, United States. Washington, D.C.: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, 1970.

MLA (9th ed.) Citation

Roberts, Jean, and Kenneth R. Duyan. Visual Acuity of Children, United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, 1970.