APA
U. S. Department of Health, .Project head start. U. S. Department of Health, EDucaton and Welfare, Washington: .
Chicago
U. S. Department of Health, .Project head start. U. S. Department of Health, EDucaton and Welfare, Washington: .
Harvard
U. S. Department of Health, .Project head start. U. S. Department of Health, EDucaton and Welfare, Washington: .
MLA
U. S. Department of Health, .U. S. Department of Health, EDucaton and Welfare, Washington: . .