Skiers, probably in the Cascade Mountains, n.d

Chicago citation style
Skiers, probably in the Cascade Mountains, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/493. (Accessed July 23, 2018.)
APA citation style
Skiers, probably in the Cascade Mountains, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/493
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/493>.
Note: These citations are programmatically generated and may be incomplete.