Mount St. Helens crater, just before the first landing

Chicago citation style
Zoller, William. Mount St. Helens crater, just before the first landing. 1980-07. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/25. (Accessed August 19, 2018.)
APA citation style
Zoller, William, (1980-07) Mount St. Helens crater, just before the first landing. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/25
MLA citation style
Zoller, William. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/25>.
Note: These citations are programmatically generated and may be incomplete.