Upper debris flow on west side of Mount St. Helens (1981)

Chicago citation style
Moral, Roger del. Upper debris flow on west side of Mount St. Helens (1981). 1981-06. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mtsthelens/id/13. (Accessed June 21, 2018.)
APA citation style
Moral, Roger del, (1981-06) Upper debris flow on west side of Mount St. Helens (1981). Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mtsthelens/id/13
MLA citation style
Moral, Roger del. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mtsthelens/id/13>.
Note: These citations are programmatically generated and may be incomplete.