Everett Lasher tension tests on Cassin carabiners and pitons, March and April 1961

Chicago citation style
Lasher, Everett; REI (firm). Everett Lasher tension tests on Cassin carabiners and pitons, March and April 1961. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pioneerlife/id/12094. (Accessed July 21, 2018.)
APA citation style
Lasher, Everett; REI (firm), (1961) Everett Lasher tension tests on Cassin carabiners and pitons, March and April 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pioneerlife/id/12094
MLA citation style
Lasher, Everett; REI (firm). Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pioneerlife/id/12094>.
Note: These citations are programmatically generated and may be incomplete.