Geological Survey (U.S.) & Zelt, R. B. (1999). Environmental setting of the Yellowstone River Basin, Montana, North Dakota, and Wyoming. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Ronald B. Zelt. Environmental Setting of the Yellowstone River Basin, Montana, North Dakota, and Wyoming. Cheyenne, Wyo.: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
MLA (9th ed.) CitationGeological Survey (U.S.) and Ronald B. Zelt. Environmental Setting of the Yellowstone River Basin, Montana, North Dakota, and Wyoming. U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
Warning: These citations may not always be 100% accurate.