Roche, A. F., Roberts, J., & Hamill, P. V. V. (1975). Skeletal maturity of children 6-11 years: Racial, geographic area, and socioeconomic differentials, 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.) CitationRoche, Alex F., Jean Roberts, and Peter V. V. Hamill. Skeletal Maturity of Children 6-11 Years: Racial, Geographic Area, and Socioeconomic Differentials, United States. Rockville, Md.: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1975.
MLA (9th ed.) CitationRoche, Alex F., et al. Skeletal Maturity of Children 6-11 Years: Racial, Geographic Area, and Socioeconomic Differentials, United States. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1975.