{"source":"book","style":"apa","contributors": [{"function":"author","last":"Cravens","first":"Hamilton"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Before Head Start : the Iowa Station & America's children","publisher":"University of North Carolina Press","city":"Chapel Hill","year":"1993"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"27265602","isbn":"080782092X 9780807820926 0807854328 9780807854327"}