Citazione Stile APA (7a Edizione)

Cohen, D. J. (1974). Day care 3: Serving preschool children. U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development.

Citazione stile Chigago Style (17a edizione)

Cohen, Donald Jay. Day Care 3: Serving Preschool Children. Washington: U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development, 1974.

Citatione MLA (9a ed.)

Cohen, Donald Jay. Day Care 3: Serving Preschool Children. U.S. Dept. of Health, Education and Welfare, Office of Human Development, Office of Child Development, 1974.