Cita APA (7a ed.)

Moen, W. S., & McLucas, G. B. (1981). Mount St. Helens ash--properties and possible uses. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources : For sale by the Dept. of Natural Resources.

Cita Chicago Style (17a ed.)

Moen, Wayne S., y Glennda B. McLucas. Mount St. Helens Ash--properties and Possible Uses. [Olympia, WA]: State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources : For sale by the Dept. of Natural Resources, 1981.

Cita MLA (8a ed.)

Moen, Wayne S., y Glennda B. McLucas. Mount St. Helens Ash--properties and Possible Uses. State of Washington, Dept. of Natural Resources, Division of Geology and Earth Resources : For sale by the Dept. of Natural Resources, 1981.

Precaución: Estas citas no son 100% exactas.