Oblong Geyser, Yellowstone National Park.

Chicago citation style
Oblong Geyser, Yellowstone National Park.. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/628. (Accessed September 25, 2020.)
APA citation style
Oblong Geyser, Yellowstone National Park.. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/628
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll91/id/628>.
Note: These citations are programmatically generated and may be incomplete.