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.
Cita Chicago Style (17a ed.)Logan, Robert, y 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.
Cita MLA (8a ed.)Logan, Robert, y Connie Manson. Mount St. Helens--annotated Index to Video Archives. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources, 1983.
Precaución: Estas citas no son 100% exactas.