Anderson, R. E. (1970). Ash-flow tuffs of Precambrian age in southeast Missouri. Missouri Geological Survey & Water Resources.
芝加哥风格引文Anderson, R. Ernest. Ash-flow Tuffs of Precambrian Age in Southeast Missouri. Rolla. Mo.: Missouri Geological Survey & Water Resources, 1970.
MLA引文Anderson, R. Ernest. Ash-flow Tuffs of Precambrian Age in Southeast Missouri. Missouri Geological Survey & Water Resources, 1970.
警告：这些引文格式不一定是100％准确.