APA (7th ed.) Citation

Roberts, J., & Engel, A. (1977). Family background, early development, and intelligence of children 6-11 years: United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics.

Chicago Style (17th ed.) Citation

Roberts, Jean, and Arnold Engel. Family Background, Early Development, and Intelligence of Children 6-11 Years: United States. Hyattsville, Md.: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1977.

MLA (9th ed.) Citation

Roberts, Jean, and Arnold Engel. Family Background, Early Development, and Intelligence of Children 6-11 Years: United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1977.