{"source":"journal","style":"apa","journal": {"title":"National geographic." },"contributors": [{"function":"author","last":"National geographic society.,"} ],"pubtype": {"main": "pubjournal"},"pubjournal": {"year":"1959"},"datasource":"/z-wcorg/","datasource":"http://www.worldcat.org","oclc":"848530436","issn":"0027-9358"}