Erick Larson roped up on trail on second ascent of North Index Peak, 1940

Chicago citation style
Trott, Otto. Erick Larson roped up on trail on second ascent of North Index Peak, 1940. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/8745. (Accessed July 16, 2018.)
APA citation style
Trott, Otto, (1940) Erick Larson roped up on trail on second ascent of North Index Peak, 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/8745
MLA citation style
Trott, Otto. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/social/id/8745>.
Note: These citations are programmatically generated and may be incomplete.