A group of men work with equipment in a tunnel in the Cascade Mountains,Washington, ca. 1966

Chicago citation style
94-4 Laser Beam.mov, Unknown. A group of men work with equipment in a tunnel in the Cascade Mountains,Washington, ca. 1966. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/filmarch/id/395. (Accessed June 21, 2018.)
APA citation style
94-4 Laser Beam.mov, Unknown, A group of men work with equipment in a tunnel in the Cascade Mountains,Washington, ca. 1966. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/filmarch/id/395
MLA citation style
94-4 Laser Beam.mov, Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/filmarch/id/395>.
Note: These citations are programmatically generated and may be incomplete.