U.S. Geological Survey. Summary of floods in the United States. U.S. Government Printing Office.
Цитирование в стиле Чикаго (17-е изд.)U.S. Geological Survey. Summary of Floods in the United States. Washington, D. C: U.S. Government Printing Office.
Цитирование MLA (9-е изд.)U.S. Geological Survey. Summary of Floods in the United States. U.S. Government Printing Office.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.