Logan, R., & Manson, C. (1983). Mount St. Helens--annotated index to video archives. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources.
Chicago Style (17th ed.) CitationLogan, Robert, and Connie Manson. Mount St. Helens--annotated Index to Video Archives. Olympia, Wash.: State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources, 1983.
MLA (8th ed.) CitationLogan, Robert, and Connie Manson. Mount St. Helens--annotated Index to Video Archives. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources, 1983.
Warning: These citations may not always be 100% accurate.