{"source":"book","style":"apa","contributors": [{"function":"author","last":"Doyle","first":"Arthur","middle":"Conan,"},{"function":"author","last":"Page","first":"Jeremy"},{"function":"author","last":"Hardcastle","first":"Nick"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Sherlock Holmes : the Sign of four","publisher":"Oxford University Press","city":"Oxford","year":"2008"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"263289232","isbn":"9780194244565 0194244563"}