{"source":"book","style":"apa","contributors": [{"function":"author","last":"Christopher","first":"John"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Empty world.","publisher":"Penguin","year":"1990"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"60283596","isbn":"0140327509 9780140327502 0140313052 9780140313055"}