Collection of condensed volcanic gases in front of crater

Chicago citation style
Zoller, William. Collection of condensed volcanic gases in front of crater. 1980-07. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/53. (Accessed June 19, 2018.)
APA citation style
Zoller, William, (1980-07) Collection of condensed volcanic gases in front of crater. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/53
MLA citation style
Zoller, William. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/mshchem/id/53>.
Note: These citations are programmatically generated and may be incomplete.