Washington (State). Division of Geology and Earth Resources & Qamar, A. (1987). Earthquake hypocenters in Washington and Oregon - 1982-1986. Washington State Department of Natural Resources, Division of Geology and Earth Resources.
Chicago Style (17th ed.) CitationWashington (State). Division of Geology and Earth Resources and Anthony Qamar. Earthquake Hypocenters in Washington and Oregon - 1982-1986. Olympia, WA: Washington State Department of Natural Resources, Division of Geology and Earth Resources, 1987.
MLA (9th ed.) CitationWashington (State). Division of Geology and Earth Resources and Anthony Qamar. Earthquake Hypocenters in Washington and Oregon - 1982-1986. Washington State Department of Natural Resources, Division of Geology and Earth Resources, 1987.