{"source":"book","style":"apa","contributors": [{"function":"author","last":"Hockney","first":"David"},{"function":"author","last":"Stevens","first":"Wallace"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The blue guitar","publisher":"Petersburg Press","city":"London","year":"1977"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"3831907","isbn":"0902825038 9780902825031"}