Mullens, T. E. (1979). Stratigraphy, petrology, and some fossil data of the Roberts Mountains formation, north-central Nevada. Dept. of the Interior, Geological Survey.
芝加哥风格引文Mullens, Thomas E. Stratigraphy, Petrology, and Some Fossil Data of the Roberts Mountains Formation, North-central Nevada. [Reston, Va.]: Dept. of the Interior, Geological Survey, 1979.
MLA引文Mullens, Thomas E. Stratigraphy, Petrology, and Some Fossil Data of the Roberts Mountains Formation, North-central Nevada. Dept. of the Interior, Geological Survey, 1979.
警告：这些引文格式不一定是100％准确.