(1981). Petrology and petrography for U.S. Geological Survey test wells 1,2 and 3 in the madison Limestone in Montana and Wyoming. Denver, Colo. : U.S. Geological Survey.
芝加哥风格引文Petrology and Petrography for U.S. Geological Survey Test Wells 1,2 and 3 in the Madison Limestone in Montana and Wyoming. Denver, Colo. : U.S. Geological Survey, 1981.
MLA引文Petrology and Petrography for U.S. Geological Survey Test Wells 1,2 and 3 in the Madison Limestone in Montana and Wyoming. Denver, Colo. : U.S. Geological Survey, 1981.
警告：这些引文格式不一定是100％准确.