{"source":"book","style":"apa","contributors": [{"function":"author","last":"Sagan","first":"Carl"} ],"pubtype": {"main": "pubnonperiodical"},"pubnonperiodical": {"title":"The dragons of Eden : speculations on the evolution of human intelligence","publisher":"Random House","city":"New York","year":"1977"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"2922889","isbn":"0394410459 9780394410456"}