Citazione Stile APA (7a Edizione)

United States. Office of Child Development & Grotberg, E. H. (1977). 200 years of children. U.S. Dept. of Health, Education, and Welfare, Office of Human Development, Office of Child Development.

Citazione stile Chigago Style (17a edizione)

United States. Office of Child Development e Edith Henderson Grotberg. 200 Years of Children. [Washington]: U.S. Dept. of Health, Education, and Welfare, Office of Human Development, Office of Child Development, 1977.

Citatione MLA (8a ed.)

United States. Office of Child Development e Edith Henderson Grotberg. 200 Years of Children. U.S. Dept. of Health, Education, and Welfare, Office of Human Development, Office of Child Development, 1977.