Hays, W. W. (1980). Procedures for estimating earthquake ground motions. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationHays, Walter W. Procedures for Estimating Earthquake Ground Motions. Washington: United States Department of the Interior, Geological Survey, 1980.
MLA (9th ed.) CitationHays, Walter W. Procedures for Estimating Earthquake Ground Motions. United States Department of the Interior, Geological Survey, 1980.
Warning: These citations may not always be 100% accurate.