Farmer, J. A., Harris, J., & Carson, R. (1980). Mt. St. Helens volcanic weatherbook. Mountain Graphics.
Chicago Style (17th ed.) CitationFarmer, Judith A., Julie Harris, and Richard Carson. Mt. St. Helens Volcanic Weatherbook. [Marylhurst, Or.]: Mountain Graphics, 1980.
MLA (8th ed.) CitationFarmer, Judith A., et al. Mt. St. Helens Volcanic Weatherbook. Mountain Graphics, 1980.
Warning: These citations may not always be 100% accurate.