Não informado. (1896). Water supply and irrigation papers of the United States Geological Survey. U.S. Geological Survey.
Chicago-Zitierstil (17. Ausg.)Não informado. Water Supply and Irrigation Papers of the United States Geological Survey. Washington: U.S. Geological Survey, 1896.
MLA-Zitierstil (8. Ausg.)Não informado. Water Supply and Irrigation Papers of the United States Geological Survey. U.S. Geological Survey, 1896.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.