Workers holding pneumatic drills at Mill Creek shaft, ca. 1927

Chicago citation style
Pickett, Lee. Workers holding pneumatic drills at Mill Creek shaft, ca. 1927. ca. 1927. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/452. (Accessed June 22, 2018.)
APA citation style
Pickett, Lee, (ca. 1927) Workers holding pneumatic drills at Mill Creek shaft, ca. 1927. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/452
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/452>.
Note: These citations are programmatically generated and may be incomplete.