{"source":"book","style":"apa","contributors": [{"function":"author","last":"Barton","first":"Nicholas","middle":"H"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"Evolution","publisher":"Cold Spring Harbor Laboratory Press","city":"Cold Spring Harbor, N.Y.","year":"2007"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"909832920","isbn":"9780879696849 0879696842"}