Fenton, C. L. (1964). Life long ago: The story of fossils. The John Day.
芝加哥风格引文Fenton, Caroll Lane. Life Long Ago: The Story of Fossils. New York: The John Day, 1964.
MLA引文Fenton, Caroll Lane. Life Long Ago: The Story of Fossils. The John Day, 1964.
警告：这些引文格式不一定是100％准确.