Brumbaugh, D. S., Davis, J., & Roberts, L. (1987). A report on earthquake activity recorded at station Flagstaff in 1984. [Arizona Bureau of Geology and Mineral Technology?].
Chicago Style (17th ed.) CitationBrumbaugh, David Scott, John Davis, and L. Roberts. A Report on Earthquake Activity Recorded at Station Flagstaff in 1984. [Tucson, Ariz.]: [Arizona Bureau of Geology and Mineral Technology?], 1987.
MLA (9th ed.) CitationBrumbaugh, David Scott, et al. A Report on Earthquake Activity Recorded at Station Flagstaff in 1984. [Arizona Bureau of Geology and Mineral Technology?], 1987.
Warning: These citations may not always be 100% accurate.