APA

United States, .A summary of natural hazard fatalities for...in the United States. Silver Spring,Md: .

Chicago

United States, .A summary of natural hazard fatalities for...in the United States. Silver Spring,Md: .

Harvard

United States, .A summary of natural hazard fatalities for...in the United States. Silver Spring,Md: .

MLA

United States, .Silver Spring,Md: . .