Stone and Webster crew working near the summit of Stevens Pass, ca. 1927

Chicago citation style
Pickett, Lee. Stone and Webster crew working near the summit of Stevens Pass, ca. 1927. ca. 1927. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/510. (Accessed June 18, 2018.)
APA citation style
Pickett, Lee, (ca. 1927) Stone and Webster crew working near the summit of Stevens Pass, ca. 1927. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/510
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/510>.
Note: These citations are programmatically generated and may be incomplete.