APA (7th ed.) Citation

Chase, H. C., & Byrnes, M. E. (1972). Trends in "prematurity": United States : 1950-67. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics.

Chicago Style (17th ed.) Citation

Chase, Helen C., and Mary E. Byrnes. Trends in "Prematurity": United States : 1950-67. Rockville, Md.: U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics, 1972.

MLA (9th ed.) Citation

Chase, Helen C., and Mary E. Byrnes. Trends in "Prematurity": United States : 1950-67. U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics, 1972.