@book{5231,
	author = {Dittmann, Laura L. and American Public Health Association.},
	title = {Children in day care},
	publisher = {U.S. Children's Bureau; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1967.},
	series = {[United States]. Children's Bureau. Publication},
	address = {[Washington]}
}