Johnson, C. E. (1972). The natural world: Chaos and conservation. McGraw-Hill.
芝加哥风格引文Johnson, Cecil E. The Natural World: Chaos and Conservation. New York: McGraw-Hill, 1972.
MLA引文Johnson, Cecil E. The Natural World: Chaos and Conservation. McGraw-Hill, 1972.
警告：这些引文格式不一定是100％准确.