Workers clearing snow from roadway with shovel machine at mile 28.75, Richardson Highway, Alaska, July 6, 1929

Chicago citation style
Workers clearing snow from roadway with shovel machine at mile 28.75, Richardson Highway, Alaska, July 6, 1929. 1929. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2696. (Accessed November 12, 2018.)
APA citation style
(1929) Workers clearing snow from roadway with shovel machine at mile 28.75, Richardson Highway, Alaska, July 6, 1929. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2696
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/alaskawcanada/id/2696>.
Note: These citations are programmatically generated and may be incomplete.